27969280

素因数分解:

$2^8\times 5^1\times {\mathrm{21851}}^1$

素因数の和:21872

約数の個数: 36

約数和(自身を含む): 66998232

約数和(自身を除く): 39028952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21851, 43702, 87404, 109255, 174808, 218510, 349616, 437020, 699232, 874040, 1398464, 1748080, 2796928, 3496160, 5593856, 6992320, 13984640, 27969280]

約数ペア:

[(1, 27969280), (2, 13984640), (4, 6992320), (5, 5593856), (8, 3496160), (10, 2796928), (16, 1748080), (20, 1398464), (32, 874040), (40, 699232), (64, 437020), (80, 349616), (128, 218510), (160, 174808), (256, 109255), (320, 87404), (640, 43702), (1280, 21851)]