89813240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 232657920

約数和(自身を除く): 142844680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 47, 55, 86, 88, 94, 101, 110, 172, 188, 202, 215, 220, 235, 344, 376, 404, 430, 440, 470, 473, 505, 517, 808, 860, 940, 946, 1010, 1034, 1111, 1720, 1880, 1892, 2020, 2021, 2068, 2222, 2365, 2585, 3784, 4040, 4042, 4136, 4343, 4444, 4730, 4747, 5170, 5555, 8084, 8686, 8888, 9460, 9494, 10105, 10340, 11110, 16168, 17372, 18920, 18988, 20210, 20680, 21715, 22220, 22231, 23735, 34744, 37976, 40420, 43430, 44440, 44462, 47470, 47773, 52217, 80840, 86860, 88924, 94940, 95546, 104434, 111155, 173720, 177848, 189880, 191092, 204121, 208868, 222310, 238865, 261085, 382184, 408242, 417736, 444620, 477730, 522170, 816484, 889240, 955460, 1020605, 1044340, 1632968, 1910920, 2041210, 2088680, 2245331, 4082420, 4490662, 8164840, 8981324, 11226655, 17962648, 22453310, 44906620, 89813240]

約数ペア:

[(1, 89813240), (2, 44906620), (4, 22453310), (5, 17962648), (8, 11226655), (10, 8981324), (11, 8164840), (20, 4490662), (22, 4082420), (40, 2245331), (43, 2088680), (44, 2041210), (47, 1910920), (55, 1632968), (86, 1044340), (88, 1020605), (94, 955460), (101, 889240), (110, 816484), (172, 522170), (188, 477730), (202, 444620), (215, 417736), (220, 408242), (235, 382184), (344, 261085), (376, 238865), (404, 222310), (430, 208868), (440, 204121), (470, 191092), (473, 189880), (505, 177848), (517, 173720), (808, 111155), (860, 104434), (940, 95546), (946, 94940), (1010, 88924), (1034, 86860), (1111, 80840), (1720, 52217), (1880, 47773), (1892, 47470), (2020, 44462), (2021, 44440), (2068, 43430), (2222, 40420), (2365, 37976), (2585, 34744), (3784, 23735), (4040, 22231), (4042, 22220), (4136, 21715), (4343, 20680), (4444, 20210), (4730, 18988), (4747, 18920), (5170, 17372), (5555, 16168), (8084, 11110), (8686, 10340), (8888, 10105), (9460, 9494)]