171983080

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{5237}}^1$

素因数の和:6069

約数の個数: 32

約数和(自身を含む): 387507240

約数和(自身を除く): 215524160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 5237, 6568, 8210, 10474, 16420, 20948, 26185, 32840, 41896, 52370, 104740, 209480, 4299577, 8599154, 17198308, 21497885, 34396616, 42995770, 85991540, 171983080]

約数ペア:

[(1, 171983080), (2, 85991540), (4, 42995770), (5, 34396616), (8, 21497885), (10, 17198308), (20, 8599154), (40, 4299577), (821, 209480), (1642, 104740), (3284, 52370), (4105, 41896), (5237, 32840), (6568, 26185), (8210, 20948), (10474, 16420)]