65062640

素因数分解:

$2^4\times 5^1\times {\mathrm{813283}}^1$

素因数の和:813296

約数の個数: 20

約数和(自身を含む): 151270824

約数和(自身を除く): 86208184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 813283, 1626566, 3253132, 4066415, 6506264, 8132830, 13012528, 16265660, 32531320, 65062640]

約数ペア:

[(1, 65062640), (2, 32531320), (4, 16265660), (5, 13012528), (8, 8132830), (10, 6506264), (16, 4066415), (20, 3253132), (40, 1626566), (80, 813283)]