31154440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9859}}^1$

素因数の和:9949

約数の個数: 32

約数和(自身を含む): 70992000

約数和(自身を除く): 39837560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9859, 19718, 39436, 49295, 78872, 98590, 197180, 394360, 778861, 1557722, 3115444, 3894305, 6230888, 7788610, 15577220, 31154440]

約数ペア:

[(1, 31154440), (2, 15577220), (4, 7788610), (5, 6230888), (8, 3894305), (10, 3115444), (20, 1557722), (40, 778861), (79, 394360), (158, 197180), (316, 98590), (395, 78872), (632, 49295), (790, 39436), (1580, 19718), (3160, 9859)]