10668920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2447}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 24235200

約数和(自身を除く): 13566280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2447, 4360, 4894, 9788, 12235, 19576, 24470, 48940, 97880, 266723, 533446, 1066892, 1333615, 2133784, 2667230, 5334460, 10668920]

約数ペア:

[(1, 10668920), (2, 5334460), (4, 2667230), (5, 2133784), (8, 1333615), (10, 1066892), (20, 533446), (40, 266723), (109, 97880), (218, 48940), (436, 24470), (545, 19576), (872, 12235), (1090, 9788), (2180, 4894), (2447, 4360)]