25528032760

素因数分解:

$2^3\times 5^1\times {\mathrm{638200819}}^1$

素因数の和:638200830

約数の個数: 16

約数和(自身を含む): 57438073800

約数和(自身を除く): 31910041040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 638200819, 1276401638, 2552803276, 3191004095, 5105606552, 6382008190, 12764016380, 25528032760]

約数ペア:

[(1, 25528032760), (2, 12764016380), (4, 6382008190), (5, 5105606552), (8, 3191004095), (10, 2552803276), (20, 1276401638), (40, 638200819)]