205322800

素因数分解:

$2^4\times 5^2\times {\mathrm{513307}}^1$

素因数の和:513325

約数の個数: 30

約数和(自身を含む): 493288988

約数和(自身を除く): 287966188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 513307, 1026614, 2053228, 2566535, 4106456, 5133070, 8212912, 10266140, 12832675, 20532280, 25665350, 41064560, 51330700, 102661400, 205322800]

約数ペア:

[(1, 205322800), (2, 102661400), (4, 51330700), (5, 41064560), (8, 25665350), (10, 20532280), (16, 12832675), (20, 10266140), (25, 8212912), (40, 5133070), (50, 4106456), (80, 2566535), (100, 2053228), (200, 1026614), (400, 513307)]