39668680

素因数分解:

$2^3\times 5^1\times {\mathrm{991717}}^1$

素因数の和:991728

約数の個数: 16

約数和(自身を含む): 89254620

約数和(自身を除く): 49585940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991717, 1983434, 3966868, 4958585, 7933736, 9917170, 19834340, 39668680]

約数ペア:

[(1, 39668680), (2, 19834340), (4, 9917170), (5, 7933736), (8, 4958585), (10, 3966868), (20, 1983434), (40, 991717)]