131320040

素因数分解:

$2^3\times 5^1\times {\mathrm{3283001}}^1$

素因数の和:3283012

約数の個数: 16

約数和(自身を含む): 295470180

約数和(自身を除く): 164150140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3283001, 6566002, 13132004, 16415005, 26264008, 32830010, 65660020, 131320040]

約数ペア:

[(1, 131320040), (2, 65660020), (4, 32830010), (5, 26264008), (8, 16415005), (10, 13132004), (20, 6566002), (40, 3283001)]