81330585620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{99183641}}^1$

素因数の和:99183691

約数の個数: 24

約数和(自身を含む): 174959944488

約数和(自身を除く): 93629358868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 99183641, 198367282, 396734564, 495918205, 991836410, 1983672820, 4066529281, 8133058562, 16266117124, 20332646405, 40665292810, 81330585620]

約数ペア:

[(1, 81330585620), (2, 40665292810), (4, 20332646405), (5, 16266117124), (10, 8133058562), (20, 4066529281), (41, 1983672820), (82, 991836410), (164, 495918205), (205, 396734564), (410, 198367282), (820, 99183641)]