10491640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8461}}^1$

素因数の和:8503

約数の個数: 32

約数和(自身を含む): 24370560

約数和(自身を除く): 13878920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 8461, 16922, 33844, 42305, 67688, 84610, 169220, 262291, 338440, 524582, 1049164, 1311455, 2098328, 2622910, 5245820, 10491640]

約数ペア:

[(1, 10491640), (2, 5245820), (4, 2622910), (5, 2098328), (8, 1311455), (10, 1049164), (20, 524582), (31, 338440), (40, 262291), (62, 169220), (124, 84610), (155, 67688), (248, 42305), (310, 33844), (620, 16922), (1240, 8461)]