53065520

素因数分解:

$2^4\times 5^1\times {\mathrm{663319}}^1$

素因数の和:663332

約数の個数: 20

約数和(自身を含む): 123377520

約数和(自身を除く): 70312000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 663319, 1326638, 2653276, 3316595, 5306552, 6633190, 10613104, 13266380, 26532760, 53065520]

約数ペア:

[(1, 53065520), (2, 26532760), (4, 13266380), (5, 10613104), (8, 6633190), (10, 5306552), (16, 3316595), (20, 2653276), (40, 1326638), (80, 663319)]