138232040

素因数分解:

$2^3\times 5^1\times {\mathrm{3455801}}^1$

素因数の和:3455812

約数の個数: 16

約数和(自身を含む): 311022180

約数和(自身を除く): 172790140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3455801, 6911602, 13823204, 17279005, 27646408, 34558010, 69116020, 138232040]

約数ペア:

[(1, 138232040), (2, 69116020), (4, 34558010), (5, 27646408), (8, 17279005), (10, 13823204), (20, 6911602), (40, 3455801)]