6628880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 16498944

約数和(自身を除く): 9870064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 47, 80, 82, 86, 94, 164, 172, 188, 205, 215, 235, 328, 344, 376, 410, 430, 470, 656, 688, 752, 820, 860, 940, 1640, 1720, 1763, 1880, 1927, 2021, 3280, 3440, 3526, 3760, 3854, 4042, 7052, 7708, 8084, 8815, 9635, 10105, 14104, 15416, 16168, 17630, 19270, 20210, 28208, 30832, 32336, 35260, 38540, 40420, 70520, 77080, 80840, 82861, 141040, 154160, 161680, 165722, 331444, 414305, 662888, 828610, 1325776, 1657220, 3314440, 6628880]

約数ペア:

[(1, 6628880), (2, 3314440), (4, 1657220), (5, 1325776), (8, 828610), (10, 662888), (16, 414305), (20, 331444), (40, 165722), (41, 161680), (43, 154160), (47, 141040), (80, 82861), (82, 80840), (86, 77080), (94, 70520), (164, 40420), (172, 38540), (188, 35260), (205, 32336), (215, 30832), (235, 28208), (328, 20210), (344, 19270), (376, 17630), (410, 16168), (430, 15416), (470, 14104), (656, 10105), (688, 9635), (752, 8815), (820, 8084), (860, 7708), (940, 7052), (1640, 4042), (1720, 3854), (1763, 3760), (1880, 3526), (1927, 3440), (2021, 3280)]