7954960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7649}}^1$

素因数の和:7675

約数の個数: 40

約数和(自身を含む): 19920600

約数和(自身を除く): 11965640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7649, 15298, 30596, 38245, 61192, 76490, 99437, 122384, 152980, 198874, 305960, 397748, 497185, 611920, 795496, 994370, 1590992, 1988740, 3977480, 7954960]

約数ペア:

[(1, 7954960), (2, 3977480), (4, 1988740), (5, 1590992), (8, 994370), (10, 795496), (13, 611920), (16, 497185), (20, 397748), (26, 305960), (40, 198874), (52, 152980), (65, 122384), (80, 99437), (104, 76490), (130, 61192), (208, 38245), (260, 30596), (520, 15298), (1040, 7649)]