8855680

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 21536280

約数和(自身を除く): 12680600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 137, 160, 202, 274, 320, 404, 505, 548, 640, 685, 808, 1010, 1096, 1370, 1616, 2020, 2192, 2740, 3232, 4040, 4384, 5480, 6464, 8080, 8768, 10960, 12928, 13837, 16160, 17536, 21920, 27674, 32320, 43840, 55348, 64640, 69185, 87680, 110696, 138370, 221392, 276740, 442784, 553480, 885568, 1106960, 1771136, 2213920, 4427840, 8855680]

約数ペア:

[(1, 8855680), (2, 4427840), (4, 2213920), (5, 1771136), (8, 1106960), (10, 885568), (16, 553480), (20, 442784), (32, 276740), (40, 221392), (64, 138370), (80, 110696), (101, 87680), (128, 69185), (137, 64640), (160, 55348), (202, 43840), (274, 32320), (320, 27674), (404, 21920), (505, 17536), (548, 16160), (640, 13837), (685, 12928), (808, 10960), (1010, 8768), (1096, 8080), (1370, 6464), (1616, 5480), (2020, 4384), (2192, 4040), (2740, 3232)]