12804440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29101}}^1$

素因数の和:29123

約数の個数: 32

約数和(自身を含む): 31430160

約数和(自身を除く): 18625720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 29101, 58202, 116404, 145505, 232808, 291010, 320111, 582020, 640222, 1164040, 1280444, 1600555, 2560888, 3201110, 6402220, 12804440]

約数ペア:

[(1, 12804440), (2, 6402220), (4, 3201110), (5, 2560888), (8, 1600555), (10, 1280444), (11, 1164040), (20, 640222), (22, 582020), (40, 320111), (44, 291010), (55, 232808), (88, 145505), (110, 116404), (220, 58202), (440, 29101)]