2016398425

素因数分解:

$5^2\times {\mathrm{197}}^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 2521760472

約数和(自身を除く): 505362047

約数列:

[1, 5, 25, 197, 401, 985, 1021, 2005, 4925, 5105, 10025, 25525, 78997, 201137, 394985, 409421, 1005685, 1974925, 2047105, 5028425, 10235525, 80655937, 403279685, 2016398425]

約数ペア:

[(1, 2016398425), (5, 403279685), (25, 80655937), (197, 10235525), (401, 5028425), (985, 2047105), (1021, 1974925), (2005, 1005685), (4925, 409421), (5105, 394985), (10025, 201137), (25525, 78997)]