68417620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{677}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 149442048

約数和(自身を除く): 81024428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 677, 815, 1354, 1630, 2708, 3260, 3385, 5053, 6770, 10106, 13540, 20212, 20987, 25265, 41974, 50530, 83948, 101060, 104935, 110351, 209870, 220702, 419740, 441404, 551755, 1103510, 2207020, 3420881, 6841762, 13683524, 17104405, 34208810, 68417620]

約数ペア:

[(1, 68417620), (2, 34208810), (4, 17104405), (5, 13683524), (10, 6841762), (20, 3420881), (31, 2207020), (62, 1103510), (124, 551755), (155, 441404), (163, 419740), (310, 220702), (326, 209870), (620, 110351), (652, 104935), (677, 101060), (815, 83948), (1354, 50530), (1630, 41974), (2708, 25265), (3260, 20987), (3385, 20212), (5053, 13540), (6770, 10106)]