211320040

素因数分解:

$2^3\times 5^1\times {\mathrm{5283001}}^1$

素因数の和:5283012

約数の個数: 16

約数和(自身を含む): 475470180

約数和(自身を除く): 264150140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5283001, 10566002, 21132004, 26415005, 42264008, 52830010, 105660020, 211320040]

約数ペア:

[(1, 211320040), (2, 105660020), (4, 52830010), (5, 42264008), (8, 26415005), (10, 21132004), (20, 10566002), (40, 5283001)]