51175880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{947}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 132416640

約数和(自身を除く): 81240760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 947, 965, 1351, 1544, 1894, 1930, 2702, 3788, 3860, 4735, 5404, 6629, 6755, 7576, 7720, 9470, 10808, 13258, 13510, 18940, 26516, 27020, 33145, 37880, 53032, 54040, 66290, 132580, 182771, 265160, 365542, 731084, 913855, 1279397, 1462168, 1827710, 2558794, 3655420, 5117588, 6396985, 7310840, 10235176, 12793970, 25587940, 51175880]

約数ペア:

[(1, 51175880), (2, 25587940), (4, 12793970), (5, 10235176), (7, 7310840), (8, 6396985), (10, 5117588), (14, 3655420), (20, 2558794), (28, 1827710), (35, 1462168), (40, 1279397), (56, 913855), (70, 731084), (140, 365542), (193, 265160), (280, 182771), (386, 132580), (772, 66290), (947, 54040), (965, 53032), (1351, 37880), (1544, 33145), (1894, 27020), (1930, 26516), (2702, 18940), (3788, 13510), (3860, 13258), (4735, 10808), (5404, 9470), (6629, 7720), (6755, 7576)]