80921815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{5209}}^1$

素因数の和:5466

約数の個数: 16

約数和(自身を含む): 105033600

約数和(自身を除く): 24111785

約数列:

[1, 5, 13, 65, 239, 1195, 3107, 5209, 15535, 26045, 67717, 338585, 1244951, 6224755, 16184363, 80921815]

約数ペア:

[(1, 80921815), (5, 16184363), (13, 6224755), (65, 1244951), (239, 338585), (1195, 67717), (3107, 26045), (5209, 15535)]