8576920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 21371040

約数和(自身を除く): 12794120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 193, 202, 220, 386, 404, 440, 505, 772, 808, 965, 1010, 1111, 1544, 1930, 2020, 2123, 2222, 3860, 4040, 4246, 4444, 5555, 7720, 8492, 8888, 10615, 11110, 16984, 19493, 21230, 22220, 38986, 42460, 44440, 77972, 84920, 97465, 155944, 194930, 214423, 389860, 428846, 779720, 857692, 1072115, 1715384, 2144230, 4288460, 8576920]

約数ペア:

[(1, 8576920), (2, 4288460), (4, 2144230), (5, 1715384), (8, 1072115), (10, 857692), (11, 779720), (20, 428846), (22, 389860), (40, 214423), (44, 194930), (55, 155944), (88, 97465), (101, 84920), (110, 77972), (193, 44440), (202, 42460), (220, 38986), (386, 22220), (404, 21230), (440, 19493), (505, 16984), (772, 11110), (808, 10615), (965, 8888), (1010, 8492), (1111, 7720), (1544, 5555), (1930, 4444), (2020, 4246), (2123, 4040), (2222, 3860)]