80340985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{863}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 98993664

約数和(自身を除く): 18652679

約数列:

[1, 5, 43, 215, 433, 863, 2165, 4315, 18619, 37109, 93095, 185545, 373679, 1868395, 16068197, 80340985]

約数ペア:

[(1, 80340985), (5, 16068197), (43, 1868395), (215, 373679), (433, 185545), (863, 93095), (2165, 37109), (4315, 18619)]