28229120

素因数分解:

$2^9\times 5^1\times {\mathrm{11027}}^1$

素因数の和:11050

約数の個数: 40

約数和(自身を含む): 67689864

約数和(自身を除く): 39460744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11027, 22054, 44108, 55135, 88216, 110270, 176432, 220540, 352864, 441080, 705728, 882160, 1411456, 1764320, 2822912, 3528640, 5645824, 7057280, 14114560, 28229120]

約数ペア:

[(1, 28229120), (2, 14114560), (4, 7057280), (5, 5645824), (8, 3528640), (10, 2822912), (16, 1764320), (20, 1411456), (32, 882160), (40, 705728), (64, 441080), (80, 352864), (128, 220540), (160, 176432), (256, 110270), (320, 88216), (512, 55135), (640, 44108), (1280, 22054), (2560, 11027)]