29989840

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1637}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 70073640

約数和(自身を除く): 40083800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1637, 1832, 2290, 3274, 3664, 4580, 6548, 8185, 9160, 13096, 16370, 18320, 26192, 32740, 65480, 130960, 374873, 749746, 1499492, 1874365, 2998984, 3748730, 5997968, 7497460, 14994920, 29989840]

約数ペア:

[(1, 29989840), (2, 14994920), (4, 7497460), (5, 5997968), (8, 3748730), (10, 2998984), (16, 1874365), (20, 1499492), (40, 749746), (80, 374873), (229, 130960), (458, 65480), (916, 32740), (1145, 26192), (1637, 18320), (1832, 16370), (2290, 13096), (3274, 9160), (3664, 8185), (4580, 6548)]