1569390103780

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{39491447}}^1$

素因数の和:39493443

約数の個数: 24

約数和(自身を含む): 3297377942208

約数和(自身を除く): 1727987838428

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 7948, 9935, 19870, 39740, 39491447, 78982894, 157965788, 197457235, 394914470, 789828940, 78469505189, 156939010378, 313878020756, 392347525945, 784695051890, 1569390103780]

約数ペア:

[(1, 1569390103780), (2, 784695051890), (4, 392347525945), (5, 313878020756), (10, 156939010378), (20, 78469505189), (1987, 789828940), (3974, 394914470), (7948, 197457235), (9935, 157965788), (19870, 78982894), (39740, 39491447)]