2804000

素因数分解:

$2^5\times 5^3\times {\mathrm{701}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 6899256

約数和(自身を除く): 4095256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 701, 800, 1000, 1402, 2000, 2804, 3505, 4000, 5608, 7010, 11216, 14020, 17525, 22432, 28040, 35050, 56080, 70100, 87625, 112160, 140200, 175250, 280400, 350500, 560800, 701000, 1402000, 2804000]

約数ペア:

[(1, 2804000), (2, 1402000), (4, 701000), (5, 560800), (8, 350500), (10, 280400), (16, 175250), (20, 140200), (25, 112160), (32, 87625), (40, 70100), (50, 56080), (80, 35050), (100, 28040), (125, 22432), (160, 17525), (200, 14020), (250, 11216), (400, 7010), (500, 5608), (701, 4000), (800, 3505), (1000, 2804), (1402, 2000)]