4027400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 10090500

約数和(自身を除く): 6063100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 1549, 2600, 3098, 6196, 7745, 12392, 15490, 20137, 30980, 38725, 40274, 61960, 77450, 80548, 100685, 154900, 161096, 201370, 309800, 402740, 503425, 805480, 1006850, 2013700, 4027400]

約数ペア:

[(1, 4027400), (2, 2013700), (4, 1006850), (5, 805480), (8, 503425), (10, 402740), (13, 309800), (20, 201370), (25, 161096), (26, 154900), (40, 100685), (50, 80548), (52, 77450), (65, 61960), (100, 40274), (104, 38725), (130, 30980), (200, 20137), (260, 15490), (325, 12392), (520, 7745), (650, 6196), (1300, 3098), (1549, 2600)]