40545560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 101882880

約数和(自身を除く): 61337320

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, 2143, 2365, 3784, 4286, 4730, 8572, 9460, 10715, 17144, 18920, 21430, 23573, 42860, 47146, 85720, 92149, 94292, 117865, 184298, 188584, 235730, 368596, 460745, 471460, 737192, 921490, 942920, 1013639, 1842980, 2027278, 3685960, 4054556, 5068195, 8109112, 10136390, 20272780, 40545560]

約数ペア:

[(1, 40545560), (2, 20272780), (4, 10136390), (5, 8109112), (8, 5068195), (10, 4054556), (11, 3685960), (20, 2027278), (22, 1842980), (40, 1013639), (43, 942920), (44, 921490), (55, 737192), (86, 471460), (88, 460745), (110, 368596), (172, 235730), (215, 188584), (220, 184298), (344, 117865), (430, 94292), (440, 92149), (473, 85720), (860, 47146), (946, 42860), (1720, 23573), (1892, 21430), (2143, 18920), (2365, 17144), (3784, 10715), (4286, 9460), (4730, 8572)]