40842440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 96130800

約数和(自身を除く): 55288360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 232, 257, 274, 290, 514, 548, 580, 685, 1028, 1096, 1160, 1285, 1370, 2056, 2570, 2740, 3973, 5140, 5480, 7453, 7946, 10280, 14906, 15892, 19865, 29812, 31784, 35209, 37265, 39730, 59624, 70418, 74530, 79460, 140836, 149060, 158920, 176045, 281672, 298120, 352090, 704180, 1021061, 1408360, 2042122, 4084244, 5105305, 8168488, 10210610, 20421220, 40842440]

約数ペア:

[(1, 40842440), (2, 20421220), (4, 10210610), (5, 8168488), (8, 5105305), (10, 4084244), (20, 2042122), (29, 1408360), (40, 1021061), (58, 704180), (116, 352090), (137, 298120), (145, 281672), (232, 176045), (257, 158920), (274, 149060), (290, 140836), (514, 79460), (548, 74530), (580, 70418), (685, 59624), (1028, 39730), (1096, 37265), (1160, 35209), (1285, 31784), (1370, 29812), (2056, 19865), (2570, 15892), (2740, 14906), (3973, 10280), (5140, 7946), (5480, 7453)]