12801080

素因数分解:

$2^3\times 5^1\times {\mathrm{320027}}^1$

素因数の和:320038

約数の個数: 16

約数和(自身を含む): 28802520

約数和(自身を除く): 16001440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 320027, 640054, 1280108, 1600135, 2560216, 3200270, 6400540, 12801080]

約数ペア:

[(1, 12801080), (2, 6400540), (4, 3200270), (5, 2560216), (8, 1600135), (10, 1280108), (20, 640054), (40, 320027)]