31130140

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2141}}^1$

素因数の和:2877

約数の個数: 24

約数和(自身を含む): 65493792

約数和(自身を除く): 34363652

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2141, 2908, 3635, 4282, 7270, 8564, 10705, 14540, 21410, 42820, 1556507, 3113014, 6226028, 7782535, 15565070, 31130140]

約数ペア:

[(1, 31130140), (2, 15565070), (4, 7782535), (5, 6226028), (10, 3113014), (20, 1556507), (727, 42820), (1454, 21410), (2141, 14540), (2908, 10705), (3635, 8564), (4282, 7270)]