31970380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122963}}^1$

素因数の和:122985

約数の個数: 24

約数和(自身を含む): 72302832

約数和(自身を除く): 40332452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122963, 245926, 491852, 614815, 1229630, 1598519, 2459260, 3197038, 6394076, 7992595, 15985190, 31970380]

約数ペア:

[(1, 31970380), (2, 15985190), (4, 7992595), (5, 6394076), (10, 3197038), (13, 2459260), (20, 1598519), (26, 1229630), (52, 614815), (65, 491852), (130, 245926), (260, 122963)]