82480843220

素因数分解:

$2^2\times 5^1\times {\mathrm{4124042161}}^1$

素因数の和:4124042170

約数の個数: 12

約数和(自身を含む): 173209770804

約数和(自身を除く): 90728927584

約数列:

[1, 2, 4, 5, 10, 20, 4124042161, 8248084322, 16496168644, 20620210805, 41240421610, 82480843220]

約数ペア:

[(1, 82480843220), (2, 41240421610), (4, 20620210805), (5, 16496168644), (10, 8248084322), (20, 4124042161)]