28531400

素因数分解:

$2^3\times 5^2\times {\mathrm{142657}}^1$

素因数の和:142673

約数の個数: 24

約数和(自身を含む): 66335970

約数和(自身を除く): 37804570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 142657, 285314, 570628, 713285, 1141256, 1426570, 2853140, 3566425, 5706280, 7132850, 14265700, 28531400]

約数ペア:

[(1, 28531400), (2, 14265700), (4, 7132850), (5, 5706280), (8, 3566425), (10, 2853140), (20, 1426570), (25, 1141256), (40, 713285), (50, 570628), (100, 285314), (200, 142657)]