20182958840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{2351}}^1$

素因数の和:2661

約数の個数: 128

約数和(自身を含む): 50295168000

約数和(自身を除く): 30112209160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 179, 218, 220, 358, 436, 440, 545, 716, 872, 895, 1090, 1199, 1432, 1790, 1969, 2180, 2351, 2398, 3580, 3938, 4360, 4702, 4796, 5995, 7160, 7876, 9404, 9592, 9845, 11755, 11990, 15752, 18808, 19511, 19690, 23510, 23980, 25861, 39022, 39380, 47020, 47960, 51722, 78044, 78760, 94040, 97555, 103444, 129305, 156088, 195110, 206888, 214621, 256259, 258610, 390220, 420829, 429242, 512518, 517220, 780440, 841658, 858484, 1025036, 1034440, 1073105, 1281295, 1683316, 1716968, 2050072, 2104145, 2146210, 2562590, 2818849, 3366632, 4208290, 4292420, 4629119, 5125180, 5637698, 8416580, 8584840, 9258238, 10250360, 11275396, 14094245, 16833160, 18516476, 22550792, 23145595, 28188490, 37032952, 45870361, 46291190, 56376980, 91740722, 92582380, 112753960, 183481444, 185164760, 229351805, 366962888, 458703610, 504573971, 917407220, 1009147942, 1834814440, 2018295884, 2522869855, 4036591768, 5045739710, 10091479420, 20182958840]

約数ペア:

[(1, 20182958840), (2, 10091479420), (4, 5045739710), (5, 4036591768), (8, 2522869855), (10, 2018295884), (11, 1834814440), (20, 1009147942), (22, 917407220), (40, 504573971), (44, 458703610), (55, 366962888), (88, 229351805), (109, 185164760), (110, 183481444), (179, 112753960), (218, 92582380), (220, 91740722), (358, 56376980), (436, 46291190), (440, 45870361), (545, 37032952), (716, 28188490), (872, 23145595), (895, 22550792), (1090, 18516476), (1199, 16833160), (1432, 14094245), (1790, 11275396), (1969, 10250360), (2180, 9258238), (2351, 8584840), (2398, 8416580), (3580, 5637698), (3938, 5125180), (4360, 4629119), (4702, 4292420), (4796, 4208290), (5995, 3366632), (7160, 2818849), (7876, 2562590), (9404, 2146210), (9592, 2104145), (9845, 2050072), (11755, 1716968), (11990, 1683316), (15752, 1281295), (18808, 1073105), (19511, 1034440), (19690, 1025036), (23510, 858484), (23980, 841658), (25861, 780440), (39022, 517220), (39380, 512518), (47020, 429242), (47960, 420829), (51722, 390220), (78044, 258610), (78760, 256259), (94040, 214621), (97555, 206888), (103444, 195110), (129305, 156088)]