87585920

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1279}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 211507200

約数和(自身を除く): 123921280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 1070, 1279, 1712, 2140, 2558, 3424, 4280, 5116, 6395, 6848, 8560, 10232, 12790, 13696, 17120, 20464, 25580, 34240, 40928, 51160, 68480, 81856, 102320, 136853, 163712, 204640, 273706, 409280, 547412, 684265, 818560, 1094824, 1368530, 2189648, 2737060, 4379296, 5474120, 8758592, 10948240, 17517184, 21896480, 43792960, 87585920]

約数ペア:

[(1, 87585920), (2, 43792960), (4, 21896480), (5, 17517184), (8, 10948240), (10, 8758592), (16, 5474120), (20, 4379296), (32, 2737060), (40, 2189648), (64, 1368530), (80, 1094824), (107, 818560), (128, 684265), (160, 547412), (214, 409280), (320, 273706), (428, 204640), (535, 163712), (640, 136853), (856, 102320), (1070, 81856), (1279, 68480), (1712, 51160), (2140, 40928), (2558, 34240), (3424, 25580), (4280, 20464), (5116, 17120), (6395, 13696), (6848, 12790), (8560, 10232)]