55174840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1021}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 142752960

約数和(自身を除く): 87578120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1021, 1351, 1544, 1930, 2042, 2702, 3860, 4084, 5105, 5404, 6755, 7147, 7720, 8168, 10210, 10808, 13510, 14294, 20420, 27020, 28588, 35735, 40840, 54040, 57176, 71470, 142940, 197053, 285880, 394106, 788212, 985265, 1379371, 1576424, 1970530, 2758742, 3941060, 5517484, 6896855, 7882120, 11034968, 13793710, 27587420, 55174840]

約数ペア:

[(1, 55174840), (2, 27587420), (4, 13793710), (5, 11034968), (7, 7882120), (8, 6896855), (10, 5517484), (14, 3941060), (20, 2758742), (28, 1970530), (35, 1576424), (40, 1379371), (56, 985265), (70, 788212), (140, 394106), (193, 285880), (280, 197053), (386, 142940), (772, 71470), (965, 57176), (1021, 54040), (1351, 40840), (1544, 35735), (1930, 28588), (2042, 27020), (2702, 20420), (3860, 14294), (4084, 13510), (5105, 10808), (5404, 10210), (6755, 8168), (7147, 7720)]