2009783920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{13037}}^1$

素因数の和:13138

約数の個数: 80

約数和(自身を含む): 4888937088

約数和(自身を除く): 2879153168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 656, 752, 820, 940, 1640, 1880, 1927, 3280, 3760, 3854, 7708, 9635, 13037, 15416, 19270, 26074, 30832, 38540, 52148, 65185, 77080, 104296, 130370, 154160, 208592, 260740, 521480, 534517, 612739, 1042960, 1069034, 1225478, 2138068, 2450956, 2672585, 3063695, 4276136, 4901912, 5345170, 6127390, 8552272, 9803824, 10690340, 12254780, 21380680, 24509560, 25122299, 42761360, 49019120, 50244598, 100489196, 125611495, 200978392, 251222990, 401956784, 502445980, 1004891960, 2009783920]

約数ペア:

[(1, 2009783920), (2, 1004891960), (4, 502445980), (5, 401956784), (8, 251222990), (10, 200978392), (16, 125611495), (20, 100489196), (40, 50244598), (41, 49019120), (47, 42761360), (80, 25122299), (82, 24509560), (94, 21380680), (164, 12254780), (188, 10690340), (205, 9803824), (235, 8552272), (328, 6127390), (376, 5345170), (410, 4901912), (470, 4276136), (656, 3063695), (752, 2672585), (820, 2450956), (940, 2138068), (1640, 1225478), (1880, 1069034), (1927, 1042960), (3280, 612739), (3760, 534517), (3854, 521480), (7708, 260740), (9635, 208592), (13037, 154160), (15416, 130370), (19270, 104296), (26074, 77080), (30832, 65185), (38540, 52148)]