8128390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 15552000

約数和(自身を除く): 7423610

約数列:

[1, 2, 5, 10, 19, 38, 95, 179, 190, 239, 358, 478, 895, 1195, 1790, 2390, 3401, 4541, 6802, 9082, 17005, 22705, 34010, 42781, 45410, 85562, 213905, 427810, 812839, 1625678, 4064195, 8128390]

約数ペア:

[(1, 8128390), (2, 4064195), (5, 1625678), (10, 812839), (19, 427810), (38, 213905), (95, 85562), (179, 45410), (190, 42781), (239, 34010), (358, 22705), (478, 17005), (895, 9082), (1195, 6802), (1790, 4541), (2390, 3401)]