66716800

素因数分解:

$2^7\times 5^2\times {\mathrm{20849}}^1$

素因数の和:20873

約数の個数: 48

約数和(自身を含む): 164819250

約数和(自身を除く): 98102450

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 20849, 41698, 83396, 104245, 166792, 208490, 333584, 416980, 521225, 667168, 833960, 1042450, 1334336, 1667920, 2084900, 2668672, 3335840, 4169800, 6671680, 8339600, 13343360, 16679200, 33358400, 66716800]

約数ペア:

[(1, 66716800), (2, 33358400), (4, 16679200), (5, 13343360), (8, 8339600), (10, 6671680), (16, 4169800), (20, 3335840), (25, 2668672), (32, 2084900), (40, 1667920), (50, 1334336), (64, 1042450), (80, 833960), (100, 667168), (128, 521225), (160, 416980), (200, 333584), (320, 208490), (400, 166792), (640, 104245), (800, 83396), (1600, 41698), (3200, 20849)]