66593680

素因数分解:

$2^4\times 5^1\times {\mathrm{832421}}^1$

素因数の和:832434

約数の個数: 20

約数和(自身を含む): 154830492

約数和(自身を除く): 88236812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 832421, 1664842, 3329684, 4162105, 6659368, 8324210, 13318736, 16648420, 33296840, 66593680]

約数ペア:

[(1, 66593680), (2, 33296840), (4, 16648420), (5, 13318736), (8, 8324210), (10, 6659368), (16, 4162105), (20, 3329684), (40, 1664842), (80, 832421)]