80325880

素因数分解:

$2^3\times 5^1\times {\mathrm{2008147}}^1$

素因数の和:2008158

約数の個数: 16

約数和(自身を含む): 180733320

約数和(自身を除く): 100407440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2008147, 4016294, 8032588, 10040735, 16065176, 20081470, 40162940, 80325880]

約数ペア:

[(1, 80325880), (2, 40162940), (4, 20081470), (5, 16065176), (8, 10040735), (10, 8032588), (20, 4016294), (40, 2008147)]