264142400

素因数分解:

$2^6\times 5^2\times {\mathrm{165089}}^1$

素因数の和:165111

約数の個数: 42

約数和(自身を含む): 649959330

約数和(自身を除く): 385816930

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 165089, 330178, 660356, 825445, 1320712, 1650890, 2641424, 3301780, 4127225, 5282848, 6603560, 8254450, 10565696, 13207120, 16508900, 26414240, 33017800, 52828480, 66035600, 132071200, 264142400]

約数ペア:

[(1, 264142400), (2, 132071200), (4, 66035600), (5, 52828480), (8, 33017800), (10, 26414240), (16, 16508900), (20, 13207120), (25, 10565696), (32, 8254450), (40, 6603560), (50, 5282848), (64, 4127225), (80, 3301780), (100, 2641424), (160, 1650890), (200, 1320712), (320, 825445), (400, 660356), (800, 330178), (1600, 165089)]