55681900

素因数分解:

$2^2\times 5^2\times {\mathrm{556819}}^1$

素因数の和:556833

約数の個数: 18

約数和(自身を含む): 120829940

約数和(自身を除く): 65148040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 556819, 1113638, 2227276, 2784095, 5568190, 11136380, 13920475, 27840950, 55681900]

約数ペア:

[(1, 55681900), (2, 27840950), (4, 13920475), (5, 11136380), (10, 5568190), (20, 2784095), (25, 2227276), (50, 1113638), (100, 556819)]