1822040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 4626720

約数和(自身を除く): 2804680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 101, 110, 164, 202, 205, 220, 328, 404, 410, 440, 451, 505, 808, 820, 902, 1010, 1111, 1640, 1804, 2020, 2222, 2255, 3608, 4040, 4141, 4444, 4510, 5555, 8282, 8888, 9020, 11110, 16564, 18040, 20705, 22220, 33128, 41410, 44440, 45551, 82820, 91102, 165640, 182204, 227755, 364408, 455510, 911020, 1822040]

約数ペア:

[(1, 1822040), (2, 911020), (4, 455510), (5, 364408), (8, 227755), (10, 182204), (11, 165640), (20, 91102), (22, 82820), (40, 45551), (41, 44440), (44, 41410), (55, 33128), (82, 22220), (88, 20705), (101, 18040), (110, 16564), (164, 11110), (202, 9020), (205, 8888), (220, 8282), (328, 5555), (404, 4510), (410, 4444), (440, 4141), (451, 4040), (505, 3608), (808, 2255), (820, 2222), (902, 2020), (1010, 1804), (1111, 1640)]