82169560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 208532880

約数和(自身を除く): 126363320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 101, 110, 172, 202, 215, 220, 344, 404, 430, 440, 473, 505, 808, 860, 946, 1010, 1111, 1720, 1849, 1892, 2020, 2222, 2365, 3698, 3784, 4040, 4343, 4444, 4730, 5555, 7396, 8686, 8888, 9245, 9460, 11110, 14792, 17372, 18490, 18920, 20339, 21715, 22220, 34744, 36980, 40678, 43430, 44440, 47773, 73960, 81356, 86860, 95546, 101695, 162712, 173720, 186749, 191092, 203390, 238865, 373498, 382184, 406780, 477730, 746996, 813560, 933745, 955460, 1493992, 1867490, 1910920, 2054239, 3734980, 4108478, 7469960, 8216956, 10271195, 16433912, 20542390, 41084780, 82169560]

約数ペア:

[(1, 82169560), (2, 41084780), (4, 20542390), (5, 16433912), (8, 10271195), (10, 8216956), (11, 7469960), (20, 4108478), (22, 3734980), (40, 2054239), (43, 1910920), (44, 1867490), (55, 1493992), (86, 955460), (88, 933745), (101, 813560), (110, 746996), (172, 477730), (202, 406780), (215, 382184), (220, 373498), (344, 238865), (404, 203390), (430, 191092), (440, 186749), (473, 173720), (505, 162712), (808, 101695), (860, 95546), (946, 86860), (1010, 81356), (1111, 73960), (1720, 47773), (1849, 44440), (1892, 43430), (2020, 40678), (2222, 36980), (2365, 34744), (3698, 22220), (3784, 21715), (4040, 20339), (4343, 18920), (4444, 18490), (4730, 17372), (5555, 14792), (7396, 11110), (8686, 9460), (8888, 9245)]