39570040

素因数分解:

$2^3\times 5^1\times {\mathrm{989251}}^1$

素因数の和:989262

約数の個数: 16

約数和(自身を含む): 89032680

約数和(自身を除く): 49462640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 989251, 1978502, 3957004, 4946255, 7914008, 9892510, 19785020, 39570040]

約数ペア:

[(1, 39570040), (2, 19785020), (4, 9892510), (5, 7914008), (8, 4946255), (10, 3957004), (20, 1978502), (40, 989251)]