56661520

素因数分解:

$2^4\times 5^1\times {\mathrm{708269}}^1$

素因数の和:708282

約数の個数: 20

約数和(自身を含む): 131738220

約数和(自身を除く): 75076700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 708269, 1416538, 2833076, 3541345, 5666152, 7082690, 11332304, 14165380, 28330760, 56661520]

約数ペア:

[(1, 56661520), (2, 28330760), (4, 14165380), (5, 11332304), (8, 7082690), (10, 5666152), (16, 3541345), (20, 2833076), (40, 1416538), (80, 708269)]