80673605

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{911}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 98496000

約数和(自身を除く): 17822395

約数列:

[1, 5, 89, 199, 445, 911, 995, 4555, 17711, 81079, 88555, 181289, 405395, 906445, 16134721, 80673605]

約数ペア:

[(1, 80673605), (5, 16134721), (89, 906445), (199, 405395), (445, 181289), (911, 88555), (995, 81079), (4555, 17711)]