31507060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121181}}^1$

素因数の和:121203

約数の個数: 24

約数和(自身を含む): 71255016

約数和(自身を除く): 39747956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121181, 242362, 484724, 605905, 1211810, 1575353, 2423620, 3150706, 6301412, 7876765, 15753530, 31507060]

約数ペア:

[(1, 31507060), (2, 15753530), (4, 7876765), (5, 6301412), (10, 3150706), (13, 2423620), (20, 1575353), (26, 1211810), (52, 605905), (65, 484724), (130, 242362), (260, 121181)]