80633815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19739}}^1$

素因数の和:19806

約数の個数: 16

約数和(自身を含む): 104227200

約数和(自身を除く): 23593385

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 19739, 98695, 375041, 848777, 1875205, 4243885, 16126763, 80633815]

約数ペア:

[(1, 80633815), (5, 16126763), (19, 4243885), (43, 1875205), (95, 848777), (215, 375041), (817, 98695), (4085, 19739)]