28442200

素因数分解:

$2^3\times 5^2\times {\mathrm{142211}}^1$

素因数の和:142227

約数の個数: 24

約数和(自身を含む): 66128580

約数和(自身を除く): 37686380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 142211, 284422, 568844, 711055, 1137688, 1422110, 2844220, 3555275, 5688440, 7110550, 14221100, 28442200]

約数ペア:

[(1, 28442200), (2, 14221100), (4, 7110550), (5, 5688440), (8, 3555275), (10, 2844220), (20, 1422110), (25, 1137688), (40, 711055), (50, 568844), (100, 284422), (200, 142211)]