28319525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 38330880

約数和(自身を除く): 10011355

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1103, 1975, 5135, 5515, 14339, 25675, 27575, 71695, 87137, 358475, 435685, 1132781, 2178425, 5663905, 28319525]

約数ペア:

[(1, 28319525), (5, 5663905), (13, 2178425), (25, 1132781), (65, 435685), (79, 358475), (325, 87137), (395, 71695), (1027, 27575), (1103, 25675), (1975, 14339), (5135, 5515)]