156943764820

素因数分解:

$2^2\times 5^1\times {\mathrm{12713}}^1\times {\mathrm{617257}}^1$

素因数の和:629979

約数の個数: 24

約数和(自身を含む): 329608364904

約数和(自身を除く): 172664600084

約数列:

[1, 2, 4, 5, 10, 20, 12713, 25426, 50852, 63565, 127130, 254260, 617257, 1234514, 2469028, 3086285, 6172570, 12345140, 7847188241, 15694376482, 31388752964, 39235941205, 78471882410, 156943764820]

約数ペア:

[(1, 156943764820), (2, 78471882410), (4, 39235941205), (5, 31388752964), (10, 15694376482), (20, 7847188241), (12713, 12345140), (25426, 6172570), (50852, 3086285), (63565, 2469028), (127130, 1234514), (254260, 617257)]