79256360

素因数分解:

$2^3\times 5^1\times {\mathrm{1981409}}^1$

素因数の和:1981420

約数の個数: 16

約数和(自身を含む): 178326900

約数和(自身を除く): 99070540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1981409, 3962818, 7925636, 9907045, 15851272, 19814090, 39628180, 79256360]

約数ペア:

[(1, 79256360), (2, 39628180), (4, 19814090), (5, 15851272), (8, 9907045), (10, 7925636), (20, 3962818), (40, 1981409)]