83640475

素因数分解:

$5^2\times {\mathrm{439}}^1\times {\mathrm{7621}}^1$

素因数の和:8070

約数の個数: 12

約数和(自身を含む): 103964080

約数和(自身を除く): 20323605

約数列:

[1, 5, 25, 439, 2195, 7621, 10975, 38105, 190525, 3345619, 16728095, 83640475]

約数ペア:

[(1, 83640475), (5, 16728095), (25, 3345619), (439, 190525), (2195, 38105), (7621, 10975)]