12122540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8537}}^1$

素因数の和:8617

約数の個数: 24

約数和(自身を含む): 25818912

約数和(自身を除く): 13696372

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8537, 17074, 34148, 42685, 85370, 170740, 606127, 1212254, 2424508, 3030635, 6061270, 12122540]

約数ペア:

[(1, 12122540), (2, 6061270), (4, 3030635), (5, 2424508), (10, 1212254), (20, 606127), (71, 170740), (142, 85370), (284, 42685), (355, 34148), (710, 17074), (1420, 8537)]