8531420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2617}}^1$

素因数の和:2789

約数の個数: 24

約数和(自身を含む): 18032784

約数和(自身を除く): 9501364

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2617, 3260, 5234, 10468, 13085, 26170, 52340, 426571, 853142, 1706284, 2132855, 4265710, 8531420]

約数ペア:

[(1, 8531420), (2, 4265710), (4, 2132855), (5, 1706284), (10, 853142), (20, 426571), (163, 52340), (326, 26170), (652, 13085), (815, 10468), (1630, 5234), (2617, 3260)]