2644525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 3610880

約数和(自身を除く): 966355

約数列:

[1, 5, 13, 25, 65, 79, 103, 325, 395, 515, 1027, 1339, 1975, 2575, 5135, 6695, 8137, 25675, 33475, 40685, 105781, 203425, 528905, 2644525]

約数ペア:

[(1, 2644525), (5, 528905), (13, 203425), (25, 105781), (65, 40685), (79, 33475), (103, 25675), (325, 8137), (395, 6695), (515, 5135), (1027, 2575), (1339, 1975)]