2564500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 5870592

約数和(自身を除く): 3306092

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 223, 230, 250, 446, 460, 500, 575, 892, 1115, 1150, 2230, 2300, 2875, 4460, 5129, 5575, 5750, 10258, 11150, 11500, 20516, 22300, 25645, 27875, 51290, 55750, 102580, 111500, 128225, 256450, 512900, 641125, 1282250, 2564500]

約数ペア:

[(1, 2564500), (2, 1282250), (4, 641125), (5, 512900), (10, 256450), (20, 128225), (23, 111500), (25, 102580), (46, 55750), (50, 51290), (92, 27875), (100, 25645), (115, 22300), (125, 20516), (223, 11500), (230, 11150), (250, 10258), (446, 5750), (460, 5575), (500, 5129), (575, 4460), (892, 2875), (1115, 2300), (1150, 2230)]