File:Divisor square.svg
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[edit] Summary
Graph of the sigma function
in the range of 
[edit] Licensing
Created by Linas Vepstas User:Linas on 12 Sept 2006
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. |
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This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. This licensing tag was added to this file as part of the GFDL licensing update. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:59, 13 September 2006 | | 600 × 480 (8 KB) | Linas (talk | contribs) | == Summary == Graph of the sigma function :<math>\sigma_2(n)=\sum_{d|n} d^2</math> in the range of <math>1\le n \le 250</math> |
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