20156094760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{1201}}^1$

素因数の和:1451

約数の個数: 128

約数和(自身を含む): 47356876800

約数和(自身を除く): 27200782040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 113, 158, 188, 226, 235, 316, 376, 395, 452, 470, 565, 632, 790, 904, 940, 1130, 1201, 1580, 1880, 2260, 2402, 3160, 3713, 4520, 4804, 5311, 6005, 7426, 8927, 9608, 10622, 12010, 14852, 17854, 18565, 21244, 24020, 26555, 29704, 35708, 37130, 42488, 44635, 48040, 53110, 56447, 71416, 74260, 89270, 94879, 106220, 112894, 135713, 148520, 178540, 189758, 212440, 225788, 271426, 282235, 357080, 379516, 419569, 451576, 474395, 542852, 564470, 678565, 759032, 839138, 948790, 1085704, 1128940, 1357130, 1678276, 1897580, 2097845, 2257880, 2714260, 3356552, 3795160, 4195690, 4459313, 5428520, 6378511, 8391380, 8918626, 10721327, 12757022, 16782760, 17837252, 21442654, 22296565, 25514044, 31892555, 35674504, 42885308, 44593130, 51028088, 53606635, 63785110, 85770616, 89186260, 107213270, 127570220, 178372520, 214426540, 255140440, 428853080, 503902369, 1007804738, 2015609476, 2519511845, 4031218952, 5039023690, 10078047380, 20156094760]

約数ペア:

[(1, 20156094760), (2, 10078047380), (4, 5039023690), (5, 4031218952), (8, 2519511845), (10, 2015609476), (20, 1007804738), (40, 503902369), (47, 428853080), (79, 255140440), (94, 214426540), (113, 178372520), (158, 127570220), (188, 107213270), (226, 89186260), (235, 85770616), (316, 63785110), (376, 53606635), (395, 51028088), (452, 44593130), (470, 42885308), (565, 35674504), (632, 31892555), (790, 25514044), (904, 22296565), (940, 21442654), (1130, 17837252), (1201, 16782760), (1580, 12757022), (1880, 10721327), (2260, 8918626), (2402, 8391380), (3160, 6378511), (3713, 5428520), (4520, 4459313), (4804, 4195690), (5311, 3795160), (6005, 3356552), (7426, 2714260), (8927, 2257880), (9608, 2097845), (10622, 1897580), (12010, 1678276), (14852, 1357130), (17854, 1128940), (18565, 1085704), (21244, 948790), (24020, 839138), (26555, 759032), (29704, 678565), (35708, 564470), (37130, 542852), (42488, 474395), (44635, 451576), (48040, 419569), (53110, 379516), (56447, 357080), (71416, 282235), (74260, 271426), (89270, 225788), (94879, 212440), (106220, 189758), (112894, 178540), (135713, 148520)]