31000390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{39241}}^1$

素因数の和:39327

約数の個数: 16

約数和(自身を含む): 56508480

約数和(自身を除く): 25508090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 39241, 78482, 196205, 392410, 3100039, 6200078, 15500195, 31000390]

約数ペア:

[(1, 31000390), (2, 15500195), (5, 6200078), (10, 3100039), (79, 392410), (158, 196205), (395, 78482), (790, 39241)]