2156800

素因数分解:

$2^8\times 5^2\times {\mathrm{337}}^1$

素因数の和:363

約数の個数: 54

約数和(自身を含む): 5354258

約数和(自身を除く): 3197458

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 337, 400, 640, 674, 800, 1280, 1348, 1600, 1685, 2696, 3200, 3370, 5392, 6400, 6740, 8425, 10784, 13480, 16850, 21568, 26960, 33700, 43136, 53920, 67400, 86272, 107840, 134800, 215680, 269600, 431360, 539200, 1078400, 2156800]

約数ペア:

[(1, 2156800), (2, 1078400), (4, 539200), (5, 431360), (8, 269600), (10, 215680), (16, 134800), (20, 107840), (25, 86272), (32, 67400), (40, 53920), (50, 43136), (64, 33700), (80, 26960), (100, 21568), (128, 16850), (160, 13480), (200, 10784), (256, 8425), (320, 6740), (337, 6400), (400, 5392), (640, 3370), (674, 3200), (800, 2696), (1280, 1685), (1348, 1600)]