25831195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2214

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 7735205

約数列:

[1, 5, 13, 65, 199, 995, 1997, 2587, 9985, 12935, 25961, 129805, 397403, 1987015, 5166239, 25831195]

約数ペア:

[(1, 25831195), (5, 5166239), (13, 1987015), (65, 397403), (199, 129805), (995, 25961), (1997, 12935), (2587, 9985)]