26401360

素因数分解:

$2^4\times 5^1\times {\mathrm{330017}}^1$

素因数の和:330030

約数の個数: 20

約数和(自身を含む): 61383348

約数和(自身を除く): 34981988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 330017, 660034, 1320068, 1650085, 2640136, 3300170, 5280272, 6600340, 13200680, 26401360]

約数ペア:

[(1, 26401360), (2, 13200680), (4, 6600340), (5, 5280272), (8, 3300170), (10, 2640136), (16, 1650085), (20, 1320068), (40, 660034), (80, 330017)]