15159280

素因数分解:

$2^4\times 5^1\times {\mathrm{189491}}^1$

素因数の和:189504

約数の個数: 20

約数和(自身を含む): 35245512

約数和(自身を除く): 20086232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189491, 378982, 757964, 947455, 1515928, 1894910, 3031856, 3789820, 7579640, 15159280]

約数ペア:

[(1, 15159280), (2, 7579640), (4, 3789820), (5, 3031856), (8, 1894910), (10, 1515928), (16, 947455), (20, 757964), (40, 378982), (80, 189491)]