81350375

素因数分解:

$5^3\times {\mathrm{83}}^1\times {\mathrm{7841}}^1$

素因数の和:7939

約数の個数: 16

約数和(自身を含む): 102761568

約数和(自身を除く): 21411193

約数列:

[1, 5, 25, 83, 125, 415, 2075, 7841, 10375, 39205, 196025, 650803, 980125, 3254015, 16270075, 81350375]

約数ペア:

[(1, 81350375), (5, 16270075), (25, 3254015), (83, 980125), (125, 650803), (415, 196025), (2075, 39205), (7841, 10375)]