2009095880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{106189}}^1$

素因数の和:106254

約数の個数: 64

約数和(自身を含む): 5046148800

約数和(自身を除く): 3037052920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920, 106189, 212378, 424756, 530945, 849512, 1061890, 1168079, 2123780, 2336158, 4247560, 4566127, 4672316, 5840395, 9132254, 9344632, 11680790, 18264508, 22830635, 23361580, 36529016, 45661270, 46723160, 50227397, 91322540, 100454794, 182645080, 200909588, 251136985, 401819176, 502273970, 1004547940, 2009095880]

約数ペア:

[(1, 2009095880), (2, 1004547940), (4, 502273970), (5, 401819176), (8, 251136985), (10, 200909588), (11, 182645080), (20, 100454794), (22, 91322540), (40, 50227397), (43, 46723160), (44, 45661270), (55, 36529016), (86, 23361580), (88, 22830635), (110, 18264508), (172, 11680790), (215, 9344632), (220, 9132254), (344, 5840395), (430, 4672316), (440, 4566127), (473, 4247560), (860, 2336158), (946, 2123780), (1720, 1168079), (1892, 1061890), (2365, 849512), (3784, 530945), (4730, 424756), (9460, 212378), (18920, 106189)]