8081660

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1291}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 17038896

約数和(自身を除く): 8957236

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1291, 1565, 2582, 3130, 5164, 6260, 6455, 12910, 25820, 404083, 808166, 1616332, 2020415, 4040830, 8081660]

約数ペア:

[(1, 8081660), (2, 4040830), (4, 2020415), (5, 1616332), (10, 808166), (20, 404083), (313, 25820), (626, 12910), (1252, 6455), (1291, 6260), (1565, 5164), (2582, 3130)]