80804945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{6247}}^1$

素因数の和:6464

約数の個数: 16

約数和(自身を含む): 104966400

約数和(自身を除く): 24161455

約数列:

[1, 5, 13, 65, 199, 995, 2587, 6247, 12935, 31235, 81211, 406055, 1243153, 6215765, 16160989, 80804945]

約数ペア:

[(1, 80804945), (5, 16160989), (13, 6215765), (65, 1243153), (199, 406055), (995, 81211), (2587, 31235), (6247, 12935)]