55645660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397469}}^1$

素因数の和:397485

約数の個数: 24

約数和(自身を含む): 133549920

約数和(自身を除く): 77904260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397469, 794938, 1589876, 1987345, 2782283, 3974690, 5564566, 7949380, 11129132, 13911415, 27822830, 55645660]

約数ペア:

[(1, 55645660), (2, 27822830), (4, 13911415), (5, 11129132), (7, 7949380), (10, 5564566), (14, 3974690), (20, 2782283), (28, 1987345), (35, 1589876), (70, 794938), (140, 397469)]