28725490

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{17623}}^1$

素因数の和:17793

約数の個数: 16

約数和(自身を含む): 52026048

約数和(自身を除く): 23300558

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 17623, 35246, 88115, 176230, 2872549, 5745098, 14362745, 28725490]

約数ペア:

[(1, 28725490), (2, 14362745), (5, 5745098), (10, 2872549), (163, 176230), (326, 88115), (815, 35246), (1630, 17623)]