8148500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 18258240

約数和(自身を除く): 10109740

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 379, 430, 500, 758, 860, 1075, 1516, 1895, 2150, 3790, 4300, 5375, 7580, 9475, 10750, 16297, 18950, 21500, 32594, 37900, 47375, 65188, 81485, 94750, 162970, 189500, 325940, 407425, 814850, 1629700, 2037125, 4074250, 8148500]

約数ペア:

[(1, 8148500), (2, 4074250), (4, 2037125), (5, 1629700), (10, 814850), (20, 407425), (25, 325940), (43, 189500), (50, 162970), (86, 94750), (100, 81485), (125, 65188), (172, 47375), (215, 37900), (250, 32594), (379, 21500), (430, 18950), (500, 16297), (758, 10750), (860, 9475), (1075, 7580), (1516, 5375), (1895, 4300), (2150, 3790)]