87560920

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3571}}^1$

素因数の和:4195

約数の個数: 32

約数和(自身を含む): 197388720

約数和(自身を除く): 109827800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 3571, 4904, 6130, 7142, 12260, 14284, 17855, 24520, 28568, 35710, 71420, 142840, 2189023, 4378046, 8756092, 10945115, 17512184, 21890230, 43780460, 87560920]

約数ペア:

[(1, 87560920), (2, 43780460), (4, 21890230), (5, 17512184), (8, 10945115), (10, 8756092), (20, 4378046), (40, 2189023), (613, 142840), (1226, 71420), (2452, 35710), (3065, 28568), (3571, 24520), (4904, 17855), (6130, 14284), (7142, 12260)]