326960080

素因数分解:

$2^4\times 5^1\times {\mathrm{4087001}}^1$

素因数の和:4087014

約数の個数: 20

約数和(自身を含む): 760182372

約数和(自身を除く): 433222292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4087001, 8174002, 16348004, 20435005, 32696008, 40870010, 65392016, 81740020, 163480040, 326960080]

約数ペア:

[(1, 326960080), (2, 163480040), (4, 81740020), (5, 65392016), (8, 40870010), (10, 32696008), (16, 20435005), (20, 16348004), (40, 8174002), (80, 4087001)]