64861120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11923}}^1$

素因数の和:11957

約数の個数: 56

約数和(自身を含む): 163549584

約数和(自身を除く): 98688464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 11923, 23846, 47692, 59615, 95384, 119230, 190768, 202691, 238460, 381536, 405382, 476920, 763072, 810764, 953840, 1013455, 1621528, 1907680, 2026910, 3243056, 3815360, 4053820, 6486112, 8107640, 12972224, 16215280, 32430560, 64861120]

約数ペア:

[(1, 64861120), (2, 32430560), (4, 16215280), (5, 12972224), (8, 8107640), (10, 6486112), (16, 4053820), (17, 3815360), (20, 3243056), (32, 2026910), (34, 1907680), (40, 1621528), (64, 1013455), (68, 953840), (80, 810764), (85, 763072), (136, 476920), (160, 405382), (170, 381536), (272, 238460), (320, 202691), (340, 190768), (544, 119230), (680, 95384), (1088, 59615), (1360, 47692), (2720, 23846), (5440, 11923)]