28513280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{5569}}^1$

素因数の和:5594

約数の個数: 44

約数和(自身を含む): 68410740

約数和(自身を除く): 39897460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 5569, 11138, 22276, 27845, 44552, 55690, 89104, 111380, 178208, 222760, 356416, 445520, 712832, 891040, 1425664, 1782080, 2851328, 3564160, 5702656, 7128320, 14256640, 28513280]

約数ペア:

[(1, 28513280), (2, 14256640), (4, 7128320), (5, 5702656), (8, 3564160), (10, 2851328), (16, 1782080), (20, 1425664), (32, 891040), (40, 712832), (64, 445520), (80, 356416), (128, 222760), (160, 178208), (256, 111380), (320, 89104), (512, 55690), (640, 44552), (1024, 27845), (1280, 22276), (2560, 11138), (5120, 5569)]