80668336

素因数分解:

$2^4\times 7^1\times {\mathrm{720253}}^1$

素因数の和:720268

約数の個数: 20

約数和(自身を含む): 178622992

約数和(自身を除く): 97954656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 720253, 1440506, 2881012, 5041771, 5762024, 10083542, 11524048, 20167084, 40334168, 80668336]

約数ペア:

[(1, 80668336), (2, 40334168), (4, 20167084), (7, 11524048), (8, 10083542), (14, 5762024), (16, 5041771), (28, 2881012), (56, 1440506), (112, 720253)]