80531905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{809}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 99221760

約数和(自身を除く): 18689855

約数列:

[1, 5, 43, 215, 463, 809, 2315, 4045, 19909, 34787, 99545, 173935, 374567, 1872835, 16106381, 80531905]

約数ペア:

[(1, 80531905), (5, 16106381), (43, 1872835), (215, 374567), (463, 173935), (809, 99545), (2315, 34787), (4045, 19909)]