85991540

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{5237}}^1$

素因数の和:6067

約数の個数: 24

約数和(自身を含む): 180836712

約数和(自身を除く): 94845172

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 5237, 8210, 10474, 16420, 20948, 26185, 52370, 104740, 4299577, 8599154, 17198308, 21497885, 42995770, 85991540]

約数ペア:

[(1, 85991540), (2, 42995770), (4, 21497885), (5, 17198308), (10, 8599154), (20, 4299577), (821, 104740), (1642, 52370), (3284, 26185), (4105, 20948), (5237, 16420), (8210, 10474)]