80449280

素因数分解:

$2^8\times 5^1\times {\mathrm{62851}}^1$

素因数の和:62872

約数の個数: 36

約数和(自身を含む): 192704232

約数和(自身を除く): 112254952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 62851, 125702, 251404, 314255, 502808, 628510, 1005616, 1257020, 2011232, 2514040, 4022464, 5028080, 8044928, 10056160, 16089856, 20112320, 40224640, 80449280]

約数ペア:

[(1, 80449280), (2, 40224640), (4, 20112320), (5, 16089856), (8, 10056160), (10, 8044928), (16, 5028080), (20, 4022464), (32, 2514040), (40, 2011232), (64, 1257020), (80, 1005616), (128, 628510), (160, 502808), (256, 314255), (320, 251404), (640, 125702), (1280, 62851)]