82100080

素因数分解:

$2^4\times 5^1\times {\mathrm{1026251}}^1$

素因数の和:1026264

約数の個数: 20

約数和(自身を含む): 190882872

約数和(自身を除く): 108782792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1026251, 2052502, 4105004, 5131255, 8210008, 10262510, 16420016, 20525020, 41050040, 82100080]

約数ペア:

[(1, 82100080), (2, 41050040), (4, 20525020), (5, 16420016), (8, 10262510), (10, 8210008), (16, 5131255), (20, 4105004), (40, 2052502), (80, 1026251)]