51582520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1987}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 128822400

約数和(自身を除く): 77239880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 1987, 2360, 2596, 3245, 3974, 5192, 6490, 7948, 9935, 12980, 15896, 19870, 21857, 25960, 39740, 43714, 79480, 87428, 109285, 117233, 174856, 218570, 234466, 437140, 468932, 586165, 874280, 937864, 1172330, 1289563, 2344660, 2579126, 4689320, 5158252, 6447815, 10316504, 12895630, 25791260, 51582520]

約数ペア:

[(1, 51582520), (2, 25791260), (4, 12895630), (5, 10316504), (8, 6447815), (10, 5158252), (11, 4689320), (20, 2579126), (22, 2344660), (40, 1289563), (44, 1172330), (55, 937864), (59, 874280), (88, 586165), (110, 468932), (118, 437140), (220, 234466), (236, 218570), (295, 174856), (440, 117233), (472, 109285), (590, 87428), (649, 79480), (1180, 43714), (1298, 39740), (1987, 25960), (2360, 21857), (2596, 19870), (3245, 15896), (3974, 12980), (5192, 9935), (6490, 7948)]