2129763640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{8269}}^1$

素因数の和:8464

約数の個数: 64

約数和(自身を含む): 4930243200

約数和(自身を除く): 2800479560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 274, 376, 470, 548, 685, 940, 1096, 1370, 1880, 2740, 5480, 6439, 8269, 12878, 16538, 25756, 32195, 33076, 41345, 51512, 64390, 66152, 82690, 128780, 165380, 257560, 330760, 388643, 777286, 1132853, 1554572, 1943215, 2265706, 3109144, 3886430, 4531412, 5664265, 7772860, 9062824, 11328530, 15545720, 22657060, 45314120, 53244091, 106488182, 212976364, 266220455, 425952728, 532440910, 1064881820, 2129763640]

約数ペア:

[(1, 2129763640), (2, 1064881820), (4, 532440910), (5, 425952728), (8, 266220455), (10, 212976364), (20, 106488182), (40, 53244091), (47, 45314120), (94, 22657060), (137, 15545720), (188, 11328530), (235, 9062824), (274, 7772860), (376, 5664265), (470, 4531412), (548, 3886430), (685, 3109144), (940, 2265706), (1096, 1943215), (1370, 1554572), (1880, 1132853), (2740, 777286), (5480, 388643), (6439, 330760), (8269, 257560), (12878, 165380), (16538, 128780), (25756, 82690), (32195, 66152), (33076, 64390), (41345, 51512)]