13768880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1579}}^1$

素因数の和:1701

約数の個数: 40

約数和(自身を含む): 32326800

約数和(自身を除く): 18557920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1579, 1744, 2180, 3158, 4360, 6316, 7895, 8720, 12632, 15790, 25264, 31580, 63160, 126320, 172111, 344222, 688444, 860555, 1376888, 1721110, 2753776, 3442220, 6884440, 13768880]

約数ペア:

[(1, 13768880), (2, 6884440), (4, 3442220), (5, 2753776), (8, 1721110), (10, 1376888), (16, 860555), (20, 688444), (40, 344222), (80, 172111), (109, 126320), (218, 63160), (436, 31580), (545, 25264), (872, 15790), (1090, 12632), (1579, 8720), (1744, 7895), (2180, 6316), (3158, 4360)]