11787260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5407}}^1$

素因数の和:5525

約数の個数: 24

約数和(自身を含む): 24984960

約数和(自身を除く): 13197700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 5407, 10814, 21628, 27035, 54070, 108140, 589363, 1178726, 2357452, 2946815, 5893630, 11787260]

約数ペア:

[(1, 11787260), (2, 5893630), (4, 2946815), (5, 2357452), (10, 1178726), (20, 589363), (109, 108140), (218, 54070), (436, 27035), (545, 21628), (1090, 10814), (2180, 5407)]