113931640

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{5801}}^1$

素因数の和:6303

約数の個数: 32

約数和(自身を含む): 256912560

約数和(自身を除く): 142980920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 5801, 9820, 11602, 19640, 23204, 29005, 46408, 58010, 116020, 232040, 2848291, 5696582, 11393164, 14241455, 22786328, 28482910, 56965820, 113931640]

約数ペア:

[(1, 113931640), (2, 56965820), (4, 28482910), (5, 22786328), (8, 14241455), (10, 11393164), (20, 5696582), (40, 2848291), (491, 232040), (982, 116020), (1964, 58010), (2455, 46408), (3928, 29005), (4910, 23204), (5801, 19640), (9820, 11602)]