1330400

素因数分解:

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

素因数の和:1683

約数の個数: 36

約数和(自身を含む): 3249792

約数和(自身を除く): 1919392

約数列:

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

約数ペア:

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