8260400

素因数分解:

$2^4\times 5^2\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:318

約数の個数: 60

約数和(自身を含む): 20134872

約数和(自身を除く): 11874472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 193, 200, 214, 386, 400, 428, 535, 772, 856, 965, 1070, 1544, 1712, 1930, 2140, 2675, 3088, 3860, 4280, 4825, 5350, 7720, 8560, 9650, 10700, 15440, 19300, 20651, 21400, 38600, 41302, 42800, 77200, 82604, 103255, 165208, 206510, 330416, 413020, 516275, 826040, 1032550, 1652080, 2065100, 4130200, 8260400]

約数ペア:

[(1, 8260400), (2, 4130200), (4, 2065100), (5, 1652080), (8, 1032550), (10, 826040), (16, 516275), (20, 413020), (25, 330416), (40, 206510), (50, 165208), (80, 103255), (100, 82604), (107, 77200), (193, 42800), (200, 41302), (214, 38600), (386, 21400), (400, 20651), (428, 19300), (535, 15440), (772, 10700), (856, 9650), (965, 8560), (1070, 7720), (1544, 5350), (1712, 4825), (1930, 4280), (2140, 3860), (2675, 3088)]