12387140

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{937}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 26080152

約数和(自身を除く): 13693012

約数列:

[1, 2, 4, 5, 10, 20, 661, 937, 1322, 1874, 2644, 3305, 3748, 4685, 6610, 9370, 13220, 18740, 619357, 1238714, 2477428, 3096785, 6193570, 12387140]

約数ペア:

[(1, 12387140), (2, 6193570), (4, 3096785), (5, 2477428), (10, 1238714), (20, 619357), (661, 18740), (937, 13220), (1322, 9370), (1874, 6610), (2644, 4685), (3305, 3748)]