2005960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 5080320

約数和(自身を除く): 3074360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 97, 110, 188, 194, 220, 235, 376, 388, 440, 470, 485, 517, 776, 940, 970, 1034, 1067, 1880, 1940, 2068, 2134, 2585, 3880, 4136, 4268, 4559, 5170, 5335, 8536, 9118, 10340, 10670, 18236, 20680, 21340, 22795, 36472, 42680, 45590, 50149, 91180, 100298, 182360, 200596, 250745, 401192, 501490, 1002980, 2005960]

約数ペア:

[(1, 2005960), (2, 1002980), (4, 501490), (5, 401192), (8, 250745), (10, 200596), (11, 182360), (20, 100298), (22, 91180), (40, 50149), (44, 45590), (47, 42680), (55, 36472), (88, 22795), (94, 21340), (97, 20680), (110, 18236), (188, 10670), (194, 10340), (220, 9118), (235, 8536), (376, 5335), (388, 5170), (440, 4559), (470, 4268), (485, 4136), (517, 3880), (776, 2585), (940, 2134), (970, 2068), (1034, 1940), (1067, 1880)]