12740225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 17284608

約数和(自身を除く): 4544383

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 967, 2635, 4835, 13175, 16439, 24175, 29977, 82195, 149885, 410975, 509609, 749425, 2548045, 12740225]

約数ペア:

[(1, 12740225), (5, 2548045), (17, 749425), (25, 509609), (31, 410975), (85, 149885), (155, 82195), (425, 29977), (527, 24175), (775, 16439), (967, 13175), (2635, 4835)]