90746680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133451}}^1$

素因数の和:133479

約数の個数: 32

約数和(自身を含む): 216192240

約数和(自身を除く): 125445560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133451, 266902, 533804, 667255, 1067608, 1334510, 2268667, 2669020, 4537334, 5338040, 9074668, 11343335, 18149336, 22686670, 45373340, 90746680]

約数ペア:

[(1, 90746680), (2, 45373340), (4, 22686670), (5, 18149336), (8, 11343335), (10, 9074668), (17, 5338040), (20, 4537334), (34, 2669020), (40, 2268667), (68, 1334510), (85, 1067608), (136, 667255), (170, 533804), (340, 266902), (680, 133451)]