18117200

素因数分解:

$2^4\times 5^2\times {\mathrm{45293}}^1$

素因数の和:45311

約数の個数: 30

約数和(自身を含む): 43527534

約数和(自身を除く): 25410334

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 45293, 90586, 181172, 226465, 362344, 452930, 724688, 905860, 1132325, 1811720, 2264650, 3623440, 4529300, 9058600, 18117200]

約数ペア:

[(1, 18117200), (2, 9058600), (4, 4529300), (5, 3623440), (8, 2264650), (10, 1811720), (16, 1132325), (20, 905860), (25, 724688), (40, 452930), (50, 362344), (80, 226465), (100, 181172), (200, 90586), (400, 45293)]