25514440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 40529720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 311, 586, 622, 1172, 1244, 1465, 1555, 2051, 2177, 2344, 2488, 2930, 3110, 4102, 4354, 5860, 6220, 8204, 8708, 10255, 10885, 11720, 12440, 16408, 17416, 20510, 21770, 41020, 43540, 82040, 87080, 91123, 182246, 364492, 455615, 637861, 728984, 911230, 1275722, 1822460, 2551444, 3189305, 3644920, 5102888, 6378610, 12757220, 25514440]

約数ペア:

[(1, 25514440), (2, 12757220), (4, 6378610), (5, 5102888), (7, 3644920), (8, 3189305), (10, 2551444), (14, 1822460), (20, 1275722), (28, 911230), (35, 728984), (40, 637861), (56, 455615), (70, 364492), (140, 182246), (280, 91123), (293, 87080), (311, 82040), (586, 43540), (622, 41020), (1172, 21770), (1244, 20510), (1465, 17416), (1555, 16408), (2051, 12440), (2177, 11720), (2344, 10885), (2488, 10255), (2930, 8708), (3110, 8204), (4102, 6220), (4354, 5860)]