28520110

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{17497}}^1$

素因数の和:17667

約数の個数: 16

約数和(自身を含む): 51654096

約数和(自身を除く): 23133986

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 17497, 34994, 87485, 174970, 2852011, 5704022, 14260055, 28520110]

約数ペア:

[(1, 28520110), (2, 14260055), (5, 5704022), (10, 2852011), (163, 174970), (326, 87485), (815, 34994), (1630, 17497)]