131127620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{504337}}^1$

素因数の和:504359

約数の個数: 24

約数和(自身を含む): 296550744

約数和(自身を除く): 165423124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 504337, 1008674, 2017348, 2521685, 5043370, 6556381, 10086740, 13112762, 26225524, 32781905, 65563810, 131127620]

約数ペア:

[(1, 131127620), (2, 65563810), (4, 32781905), (5, 26225524), (10, 13112762), (13, 10086740), (20, 6556381), (26, 5043370), (52, 2521685), (65, 2017348), (130, 1008674), (260, 504337)]