80887085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19801}}^1$

素因数の和:19868

約数の個数: 16

約数和(自身を含む): 104554560

約数和(自身を除く): 23667475

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 19801, 99005, 376219, 851443, 1881095, 4257215, 16177417, 80887085]

約数ペア:

[(1, 80887085), (5, 16177417), (19, 4257215), (43, 1881095), (95, 851443), (215, 376219), (817, 99005), (4085, 19801)]