25731920

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1223}}^1$

素因数の和:1499

約数の個数: 40

約数和(自身を含む): 60103296

約数和(自身を除く): 34371376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1223, 1315, 2104, 2446, 2630, 4208, 4892, 5260, 6115, 9784, 10520, 12230, 19568, 21040, 24460, 48920, 97840, 321649, 643298, 1286596, 1608245, 2573192, 3216490, 5146384, 6432980, 12865960, 25731920]

約数ペア:

[(1, 25731920), (2, 12865960), (4, 6432980), (5, 5146384), (8, 3216490), (10, 2573192), (16, 1608245), (20, 1286596), (40, 643298), (80, 321649), (263, 97840), (526, 48920), (1052, 24460), (1223, 21040), (1315, 19568), (2104, 12230), (2446, 10520), (2630, 9784), (4208, 6115), (4892, 5260)]