65990525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{64381}}^1$

素因数の和:64432

約数の個数: 12

約数和(自身を含む): 83825364

約数和(自身を除く): 17834839

約数列:

[1, 5, 25, 41, 205, 1025, 64381, 321905, 1609525, 2639621, 13198105, 65990525]

約数ペア:

[(1, 65990525), (5, 13198105), (25, 2639621), (41, 1609525), (205, 321905), (1025, 64381)]