80005004

素因数分解:

$2^2\times {\mathrm{2861}}^1\times {\mathrm{6991}}^1$

素因数の和:9856

約数の個数: 12

約数和(自身を含む): 140077728

約数和(自身を除く): 60072724

約数列:

[1, 2, 4, 2861, 5722, 6991, 11444, 13982, 27964, 20001251, 40002502, 80005004]

約数ペア:

[(1, 80005004), (2, 40002502), (4, 20001251), (2861, 27964), (5722, 13982), (6991, 11444)]