40540360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2246

約数の個数: 64

約数和(自身を含む): 105851520

約数和(自身を除く): 65311160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2161, 2345, 2680, 3752, 4322, 4690, 8644, 9380, 10805, 15127, 17288, 18760, 21610, 30254, 43220, 60508, 75635, 86440, 121016, 144787, 151270, 289574, 302540, 579148, 605080, 723935, 1013509, 1158296, 1447870, 2027018, 2895740, 4054036, 5067545, 5791480, 8108072, 10135090, 20270180, 40540360]

約数ペア:

[(1, 40540360), (2, 20270180), (4, 10135090), (5, 8108072), (7, 5791480), (8, 5067545), (10, 4054036), (14, 2895740), (20, 2027018), (28, 1447870), (35, 1158296), (40, 1013509), (56, 723935), (67, 605080), (70, 579148), (134, 302540), (140, 289574), (268, 151270), (280, 144787), (335, 121016), (469, 86440), (536, 75635), (670, 60508), (938, 43220), (1340, 30254), (1876, 21610), (2161, 18760), (2345, 17288), (2680, 15127), (3752, 10805), (4322, 9380), (4690, 8644)]