16329680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 40068864

約数和(自身を除く): 23739184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 101, 172, 188, 202, 215, 235, 344, 376, 404, 430, 470, 505, 688, 752, 808, 860, 940, 1010, 1616, 1720, 1880, 2020, 2021, 3440, 3760, 4040, 4042, 4343, 4747, 8080, 8084, 8686, 9494, 10105, 16168, 17372, 18988, 20210, 21715, 23735, 32336, 34744, 37976, 40420, 43430, 47470, 69488, 75952, 80840, 86860, 94940, 161680, 173720, 189880, 204121, 347440, 379760, 408242, 816484, 1020605, 1632968, 2041210, 3265936, 4082420, 8164840, 16329680]

約数ペア:

[(1, 16329680), (2, 8164840), (4, 4082420), (5, 3265936), (8, 2041210), (10, 1632968), (16, 1020605), (20, 816484), (40, 408242), (43, 379760), (47, 347440), (80, 204121), (86, 189880), (94, 173720), (101, 161680), (172, 94940), (188, 86860), (202, 80840), (215, 75952), (235, 69488), (344, 47470), (376, 43430), (404, 40420), (430, 37976), (470, 34744), (505, 32336), (688, 23735), (752, 21715), (808, 20210), (860, 18988), (940, 17372), (1010, 16168), (1616, 10105), (1720, 9494), (1880, 8686), (2020, 8084), (2021, 8080), (3440, 4747), (3760, 4343), (4040, 4042)]