66401360

素因数分解:

$2^4\times 5^1\times {\mathrm{830017}}^1$

素因数の和:830030

約数の個数: 20

約数和(自身を含む): 154383348

約数和(自身を除く): 87981988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830017, 1660034, 3320068, 4150085, 6640136, 8300170, 13280272, 16600340, 33200680, 66401360]

約数ペア:

[(1, 66401360), (2, 33200680), (4, 16600340), (5, 13280272), (8, 8300170), (10, 6640136), (16, 4150085), (20, 3320068), (40, 1660034), (80, 830017)]