39889525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 53711840

約数和(自身を除く): 13822315

約数列:

[1, 5, 13, 25, 65, 139, 325, 695, 883, 1807, 3475, 4415, 9035, 11479, 22075, 45175, 57395, 122737, 286975, 613685, 1595581, 3068425, 7977905, 39889525]

約数ペア:

[(1, 39889525), (5, 7977905), (13, 3068425), (25, 1595581), (65, 613685), (139, 286975), (325, 122737), (695, 57395), (883, 45175), (1807, 22075), (3475, 11479), (4415, 9035)]