80201665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21943}}^1$

素因数の和:22008

約数の個数: 16

約数和(自身を含む): 104277888

約数和(自身を除く): 24076223

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 21943, 109715, 373031, 943549, 1865155, 4717745, 16040333, 80201665]

約数ペア:

[(1, 80201665), (5, 16040333), (17, 4717745), (43, 1865155), (85, 943549), (215, 373031), (731, 109715), (3655, 21943)]