66034400

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:636

約数の個数: 72

約数和(自身を含む): 162411480

約数和(自身を除く): 96377080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 419, 788, 800, 838, 985, 1576, 1676, 1970, 2095, 3152, 3352, 3940, 4190, 4925, 6304, 6704, 7880, 8380, 9850, 10475, 13408, 15760, 16760, 19700, 20950, 31520, 33520, 39400, 41900, 67040, 78800, 82543, 83800, 157600, 165086, 167600, 330172, 335200, 412715, 660344, 825430, 1320688, 1650860, 2063575, 2641376, 3301720, 4127150, 6603440, 8254300, 13206880, 16508600, 33017200, 66034400]

約数ペア:

[(1, 66034400), (2, 33017200), (4, 16508600), (5, 13206880), (8, 8254300), (10, 6603440), (16, 4127150), (20, 3301720), (25, 2641376), (32, 2063575), (40, 1650860), (50, 1320688), (80, 825430), (100, 660344), (160, 412715), (197, 335200), (200, 330172), (394, 167600), (400, 165086), (419, 157600), (788, 83800), (800, 82543), (838, 78800), (985, 67040), (1576, 41900), (1676, 39400), (1970, 33520), (2095, 31520), (3152, 20950), (3352, 19700), (3940, 16760), (4190, 15760), (4925, 13408), (6304, 10475), (6704, 9850), (7880, 8380)]