20080480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17929}}^1$

素因数の和:17951

約数の個数: 48

約数和(自身を含む): 54220320

約数和(自身を除く): 34139840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17929, 35858, 71716, 89645, 125503, 143432, 179290, 251006, 286864, 358580, 502012, 573728, 627515, 717160, 1004024, 1255030, 1434320, 2008048, 2510060, 2868640, 4016096, 5020120, 10040240, 20080480]

約数ペア:

[(1, 20080480), (2, 10040240), (4, 5020120), (5, 4016096), (7, 2868640), (8, 2510060), (10, 2008048), (14, 1434320), (16, 1255030), (20, 1004024), (28, 717160), (32, 627515), (35, 573728), (40, 502012), (56, 358580), (70, 286864), (80, 251006), (112, 179290), (140, 143432), (160, 125503), (224, 89645), (280, 71716), (560, 35858), (1120, 17929)]