80778310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{425149}}^1$

素因数の和:425175

約数の個数: 16

約数和(自身を含む): 153054000

約数和(自身を除く): 72275690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 425149, 850298, 2125745, 4251490, 8077831, 16155662, 40389155, 80778310]

約数ペア:

[(1, 80778310), (2, 40389155), (5, 16155662), (10, 8077831), (19, 4251490), (38, 2125745), (95, 850298), (190, 425149)]