25391390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{32141}}^1$

素因数の和:32227

約数の個数: 16

約数和(自身を含む): 46284480

約数和(自身を除く): 20893090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 32141, 64282, 160705, 321410, 2539139, 5078278, 12695695, 25391390]

約数ペア:

[(1, 25391390), (2, 12695695), (5, 5078278), (10, 2539139), (79, 321410), (158, 160705), (395, 64282), (790, 32141)]