15731420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5279}}^1$

素因数の和:5437

約数の個数: 24

約数和(自身を含む): 33264000

約数和(自身を除く): 17532580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 5279, 10558, 21116, 26395, 52790, 105580, 786571, 1573142, 3146284, 3932855, 7865710, 15731420]

約数ペア:

[(1, 15731420), (2, 7865710), (4, 3932855), (5, 3146284), (10, 1573142), (20, 786571), (149, 105580), (298, 52790), (596, 26395), (745, 21116), (1490, 10558), (2980, 5279)]