28556900

素因数分解:

$2^2\times 5^2\times {\mathrm{285569}}^1$

素因数の和:285583

約数の個数: 18

約数和(自身を含む): 61968690

約数和(自身を除く): 33411790

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 285569, 571138, 1142276, 1427845, 2855690, 5711380, 7139225, 14278450, 28556900]

約数ペア:

[(1, 28556900), (2, 14278450), (4, 7139225), (5, 5711380), (10, 2855690), (20, 1427845), (25, 1142276), (50, 571138), (100, 285569)]