20123571500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{24407}}^1$

素因数の和:24540

約数の個数: 96

約数和(自身を含む): 47016837504

約数和(自身を除く): 26893266004

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 97, 100, 125, 170, 194, 250, 340, 388, 425, 485, 500, 850, 970, 1649, 1700, 1940, 2125, 2425, 3298, 4250, 4850, 6596, 8245, 8500, 9700, 12125, 16490, 24250, 24407, 32980, 41225, 48500, 48814, 82450, 97628, 122035, 164900, 206125, 244070, 412250, 414919, 488140, 610175, 824500, 829838, 1220350, 1659676, 2074595, 2367479, 2440700, 3050875, 4149190, 4734958, 6101750, 8298380, 9469916, 10372975, 11837395, 12203500, 20745950, 23674790, 40247143, 41491900, 47349580, 51864875, 59186975, 80494286, 103729750, 118373950, 160988572, 201235715, 207459500, 236747900, 295934875, 402471430, 591869750, 804942860, 1006178575, 1183739500, 2012357150, 4024714300, 5030892875, 10061785750, 20123571500]

約数ペア:

[(1, 20123571500), (2, 10061785750), (4, 5030892875), (5, 4024714300), (10, 2012357150), (17, 1183739500), (20, 1006178575), (25, 804942860), (34, 591869750), (50, 402471430), (68, 295934875), (85, 236747900), (97, 207459500), (100, 201235715), (125, 160988572), (170, 118373950), (194, 103729750), (250, 80494286), (340, 59186975), (388, 51864875), (425, 47349580), (485, 41491900), (500, 40247143), (850, 23674790), (970, 20745950), (1649, 12203500), (1700, 11837395), (1940, 10372975), (2125, 9469916), (2425, 8298380), (3298, 6101750), (4250, 4734958), (4850, 4149190), (6596, 3050875), (8245, 2440700), (8500, 2367479), (9700, 2074595), (12125, 1659676), (16490, 1220350), (24250, 829838), (24407, 824500), (32980, 610175), (41225, 488140), (48500, 414919), (48814, 412250), (82450, 244070), (97628, 206125), (122035, 164900)]