123513920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12451}}^1$

素因数の和:12499

約数の個数: 56

約数和(自身を含む): 303629568

約数和(自身を除く): 180115648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 12451, 24902, 49804, 62255, 99608, 124510, 199216, 249020, 385981, 398432, 498040, 771962, 796864, 996080, 1543924, 1929905, 1992160, 3087848, 3859810, 3984320, 6175696, 7719620, 12351392, 15439240, 24702784, 30878480, 61756960, 123513920]

約数ペア:

[(1, 123513920), (2, 61756960), (4, 30878480), (5, 24702784), (8, 15439240), (10, 12351392), (16, 7719620), (20, 6175696), (31, 3984320), (32, 3859810), (40, 3087848), (62, 1992160), (64, 1929905), (80, 1543924), (124, 996080), (155, 796864), (160, 771962), (248, 498040), (310, 398432), (320, 385981), (496, 249020), (620, 199216), (992, 124510), (1240, 99608), (1984, 62255), (2480, 49804), (4960, 24902), (9920, 12451)]