13307375540

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{810437}}^1$

素因数の和:811267

約数の個数: 24

約数和(自身を含む): 27979561512

約数和(自身を除く): 14672185972

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 810437, 1620874, 3241748, 4052185, 8104370, 16208740, 665368777, 1330737554, 2661475108, 3326843885, 6653687770, 13307375540]

約数ペア:

[(1, 13307375540), (2, 6653687770), (4, 3326843885), (5, 2661475108), (10, 1330737554), (20, 665368777), (821, 16208740), (1642, 8104370), (3284, 4052185), (4105, 3241748), (8210, 1620874), (16420, 810437)]