28443400

素因数分解:

$2^3\times 5^2\times {\mathrm{142217}}^1$

素因数の和:142233

約数の個数: 24

約数和(自身を含む): 66131370

約数和(自身を除く): 37687970

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 142217, 284434, 568868, 711085, 1137736, 1422170, 2844340, 3555425, 5688680, 7110850, 14221700, 28443400]

約数ペア:

[(1, 28443400), (2, 14221700), (4, 7110850), (5, 5688680), (8, 3555425), (10, 2844340), (20, 1422170), (25, 1137736), (40, 711085), (50, 568868), (100, 284434), (200, 142217)]