56385520

素因数分解:

$2^4\times 5^1\times {\mathrm{704819}}^1$

素因数の和:704832

約数の個数: 20

約数和(自身を含む): 131096520

約数和(自身を除く): 74711000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 704819, 1409638, 2819276, 3524095, 5638552, 7048190, 11277104, 14096380, 28192760, 56385520]

約数ペア:

[(1, 56385520), (2, 28192760), (4, 14096380), (5, 11277104), (8, 7048190), (10, 5638552), (16, 3524095), (20, 2819276), (40, 1409638), (80, 704819)]