7427260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3407}}^1$

素因数の和:3525

約数の個数: 24

約数和(自身を含む): 15744960

約数和(自身を除く): 8317700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3407, 6814, 13628, 17035, 34070, 68140, 371363, 742726, 1485452, 1856815, 3713630, 7427260]

約数ペア:

[(1, 7427260), (2, 3713630), (4, 1856815), (5, 1485452), (10, 742726), (20, 371363), (109, 68140), (218, 34070), (436, 17035), (545, 13628), (1090, 6814), (2180, 3407)]