66660080

素因数分解:

$2^4\times 5^1\times {\mathrm{833251}}^1$

素因数の和:833264

約数の個数: 20

約数和(自身を含む): 154984872

約数和(自身を除く): 88324792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 833251, 1666502, 3333004, 4166255, 6666008, 8332510, 13332016, 16665020, 33330040, 66660080]

約数ペア:

[(1, 66660080), (2, 33330040), (4, 16665020), (5, 13332016), (8, 8332510), (10, 6666008), (16, 4166255), (20, 3333004), (40, 1666502), (80, 833251)]