2040040

素因数分解:

$2^3\times 5^1\times {\mathrm{51001}}^1$

素因数の和:51012

約数の個数: 16

約数和(自身を含む): 4590180

約数和(自身を除く): 2550140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51001, 102002, 204004, 255005, 408008, 510010, 1020020, 2040040]

約数ペア:

[(1, 2040040), (2, 1020020), (4, 510010), (5, 408008), (8, 255005), (10, 204004), (20, 102002), (40, 51001)]