55298560

素因数分解:

$2^9\times 5^1\times {\mathrm{21601}}^1$

素因数の和:21624

約数の個数: 40

約数和(自身を含む): 132593076

約数和(自身を除く): 77294516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 21601, 43202, 86404, 108005, 172808, 216010, 345616, 432020, 691232, 864040, 1382464, 1728080, 2764928, 3456160, 5529856, 6912320, 11059712, 13824640, 27649280, 55298560]

約数ペア:

[(1, 55298560), (2, 27649280), (4, 13824640), (5, 11059712), (8, 6912320), (10, 5529856), (16, 3456160), (20, 2764928), (32, 1728080), (40, 1382464), (64, 864040), (80, 691232), (128, 432020), (160, 345616), (256, 216010), (320, 172808), (512, 108005), (640, 86404), (1280, 43202), (2560, 21601)]