2660800

素因数分解:

$2^6\times 5^2\times {\mathrm{1663}}^1$

素因数の和:1685

約数の個数: 42

約数和(自身を含む): 6551168

約数和(自身を除く): 3890368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 1663, 3326, 6652, 8315, 13304, 16630, 26608, 33260, 41575, 53216, 66520, 83150, 106432, 133040, 166300, 266080, 332600, 532160, 665200, 1330400, 2660800]

約数ペア:

[(1, 2660800), (2, 1330400), (4, 665200), (5, 532160), (8, 332600), (10, 266080), (16, 166300), (20, 133040), (25, 106432), (32, 83150), (40, 66520), (50, 53216), (64, 41575), (80, 33260), (100, 26608), (160, 16630), (200, 13304), (320, 8315), (400, 6652), (800, 3326), (1600, 1663)]