79158220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{19889}}^1$

素因数の和:20097

約数の個数: 24

約数和(自身を含む): 167076000

約数和(自身を除く): 87917780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 19889, 39778, 79556, 99445, 198890, 397780, 3957911, 7915822, 15831644, 19789555, 39579110, 79158220]

約数ペア:

[(1, 79158220), (2, 39579110), (4, 19789555), (5, 15831644), (10, 7915822), (20, 3957911), (199, 397780), (398, 198890), (796, 99445), (995, 79556), (1990, 39778), (3980, 19889)]