126888040

素因数分解:

$2^3\times 5^1\times {\mathrm{3172201}}^1$

素因数の和:3172212

約数の個数: 16

約数和(自身を含む): 285498180

約数和(自身を除く): 158610140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3172201, 6344402, 12688804, 15861005, 25377608, 31722010, 63444020, 126888040]

約数ペア:

[(1, 126888040), (2, 63444020), (4, 31722010), (5, 25377608), (8, 15861005), (10, 12688804), (20, 6344402), (40, 3172201)]