8160080

素因数分解:

$2^4\times 5^1\times {\mathrm{102001}}^1$

素因数の和:102014

約数の個数: 20

約数和(自身を含む): 18972372

約数和(自身を除く): 10812292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102001, 204002, 408004, 510005, 816008, 1020010, 1632016, 2040020, 4080040, 8160080]

約数ペア:

[(1, 8160080), (2, 4080040), (4, 2040020), (5, 1632016), (8, 1020010), (10, 816008), (16, 510005), (20, 408004), (40, 204002), (80, 102001)]