127310020

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{5171}}^1$

素因数の和:6411

約数の個数: 24

約数和(自身を含む): 267619968

約数和(自身を除く): 140309948

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 4924, 5171, 6155, 10342, 12310, 20684, 24620, 25855, 51710, 103420, 6365501, 12731002, 25462004, 31827505, 63655010, 127310020]

約数ペア:

[(1, 127310020), (2, 63655010), (4, 31827505), (5, 25462004), (10, 12731002), (20, 6365501), (1231, 103420), (2462, 51710), (4924, 25855), (5171, 24620), (6155, 20684), (10342, 12310)]