80996560

素因数分解:

$2^4\times 5^1\times {\mathrm{1012457}}^1$

素因数の和:1012470

約数の個数: 20

約数和(自身を含む): 188317188

約数和(自身を除く): 107320628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1012457, 2024914, 4049828, 5062285, 8099656, 10124570, 16199312, 20249140, 40498280, 80996560]

約数ペア:

[(1, 80996560), (2, 40498280), (4, 20249140), (5, 16199312), (8, 10124570), (10, 8099656), (16, 5062285), (20, 4049828), (40, 2024914), (80, 1012457)]