3988476040

素因数分解:

$2^3\times 5^1\times {\mathrm{99711901}}^1$

素因数の和:99711912

約数の個数: 16

約数和(自身を含む): 8974071180

約数和(自身を除く): 4985595140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99711901, 199423802, 398847604, 498559505, 797695208, 997119010, 1994238020, 3988476040]

約数ペア:

[(1, 3988476040), (2, 1994238020), (4, 997119010), (5, 797695208), (8, 498559505), (10, 398847604), (20, 199423802), (40, 99711901)]