80887988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{470279}}^1$

素因数の和:470326

約数の個数: 12

約数和(自身を含む): 144846240

約数和(自身を除く): 63958252

約数列:

[1, 2, 4, 43, 86, 172, 470279, 940558, 1881116, 20221997, 40443994, 80887988]

約数ペア:

[(1, 80887988), (2, 40443994), (4, 20221997), (43, 1881116), (86, 940558), (172, 470279)]