57211640

素因数分解:

$2^3\times 5^1\times {\mathrm{1430291}}^1$

素因数の和:1430302

約数の個数: 16

約数和(自身を含む): 128726280

約数和(自身を除く): 71514640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1430291, 2860582, 5721164, 7151455, 11442328, 14302910, 28605820, 57211640]

約数ペア:

[(1, 57211640), (2, 28605820), (4, 14302910), (5, 11442328), (8, 7151455), (10, 5721164), (20, 2860582), (40, 1430291)]