31187620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19739}}^1$

素因数の和:19827

約数の個数: 24

約数和(自身を含む): 66326400

約数和(自身を除く): 35138780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19739, 39478, 78956, 98695, 197390, 394780, 1559381, 3118762, 6237524, 7796905, 15593810, 31187620]

約数ペア:

[(1, 31187620), (2, 15593810), (4, 7796905), (5, 6237524), (10, 3118762), (20, 1559381), (79, 394780), (158, 197390), (316, 98695), (395, 78956), (790, 39478), (1580, 19739)]