31363617640

素因数分解:

$2^3\times 5^1\times {\mathrm{5861}}^1\times {\mathrm{133781}}^1$

素因数の和:139653

約数の個数: 32

約数和(自身を含む): 70580707560

約数和(自身を除く): 39217089920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5861, 11722, 23444, 29305, 46888, 58610, 117220, 133781, 234440, 267562, 535124, 668905, 1070248, 1337810, 2675620, 5351240, 784090441, 1568180882, 3136361764, 3920452205, 6272723528, 7840904410, 15681808820, 31363617640]

約数ペア:

[(1, 31363617640), (2, 15681808820), (4, 7840904410), (5, 6272723528), (8, 3920452205), (10, 3136361764), (20, 1568180882), (40, 784090441), (5861, 5351240), (11722, 2675620), (23444, 1337810), (29305, 1070248), (46888, 668905), (58610, 535124), (117220, 267562), (133781, 234440)]