66402220

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8363}}^1$

素因数の和:8769

約数の個数: 24

約数和(自身を含む): 139812624

約数和(自身を除く): 73410404

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 8363, 16726, 33452, 41815, 83630, 167260, 3320111, 6640222, 13280444, 16600555, 33201110, 66402220]

約数ペア:

[(1, 66402220), (2, 33201110), (4, 16600555), (5, 13280444), (10, 6640222), (20, 3320111), (397, 167260), (794, 83630), (1588, 41815), (1985, 33452), (3970, 16726), (7940, 8363)]