55435660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{8081}}^1$

素因数の和:8111

約数の個数: 48

約数和(自身を含む): 135777600

約数和(自身を除く): 80341940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 8081, 16162, 32324, 40405, 56567, 80810, 113134, 161620, 226268, 282835, 395969, 565670, 791938, 1131340, 1583876, 1979845, 2771783, 3959690, 5543566, 7919380, 11087132, 13858915, 27717830, 55435660]

約数ペア:

[(1, 55435660), (2, 27717830), (4, 13858915), (5, 11087132), (7, 7919380), (10, 5543566), (14, 3959690), (20, 2771783), (28, 1979845), (35, 1583876), (49, 1131340), (70, 791938), (98, 565670), (140, 395969), (196, 282835), (245, 226268), (343, 161620), (490, 113134), (686, 80810), (980, 56567), (1372, 40405), (1715, 32324), (3430, 16162), (6860, 8081)]