80814310

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{19759}}^1$

素因数の和:20175

約数の個数: 16

約数和(自身を含む): 145828800

約数和(自身を除く): 65014490

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 19759, 39518, 98795, 197590, 8081431, 16162862, 40407155, 80814310]

約数ペア:

[(1, 80814310), (2, 40407155), (5, 16162862), (10, 8081431), (409, 197590), (818, 98795), (2045, 39518), (4090, 19759)]