31462840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5279}}^1$

素因数の和:5439

約数の個数: 32

約数和(自身を含む): 71280000

約数和(自身を除く): 39817160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5279, 5960, 10558, 21116, 26395, 42232, 52790, 105580, 211160, 786571, 1573142, 3146284, 3932855, 6292568, 7865710, 15731420, 31462840]

約数ペア:

[(1, 31462840), (2, 15731420), (4, 7865710), (5, 6292568), (8, 3932855), (10, 3146284), (20, 1573142), (40, 786571), (149, 211160), (298, 105580), (596, 52790), (745, 42232), (1192, 26395), (1490, 21116), (2980, 10558), (5279, 5960)]