27649280

素因数分解:

$2^8\times 5^1\times {\mathrm{21601}}^1$

素因数の和:21622

約数の個数: 36

約数和(自身を含む): 66231732

約数和(自身を除く): 38582452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21601, 43202, 86404, 108005, 172808, 216010, 345616, 432020, 691232, 864040, 1382464, 1728080, 2764928, 3456160, 5529856, 6912320, 13824640, 27649280]

約数ペア:

[(1, 27649280), (2, 13824640), (4, 6912320), (5, 5529856), (8, 3456160), (10, 2764928), (16, 1728080), (20, 1382464), (32, 864040), (40, 691232), (64, 432020), (80, 345616), (128, 216010), (160, 172808), (256, 108005), (320, 86404), (640, 43202), (1280, 21601)]