8107640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11923}}^1$

素因数の和:11951

約数の個数: 32

約数和(自身を含む): 19316880

約数和(自身を除く): 11209240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 11923, 23846, 47692, 59615, 95384, 119230, 202691, 238460, 405382, 476920, 810764, 1013455, 1621528, 2026910, 4053820, 8107640]

約数ペア:

[(1, 8107640), (2, 4053820), (4, 2026910), (5, 1621528), (8, 1013455), (10, 810764), (17, 476920), (20, 405382), (34, 238460), (40, 202691), (68, 119230), (85, 95384), (136, 59615), (170, 47692), (340, 23846), (680, 11923)]