87020800

素因数分解:

$2^8\times 5^2\times {\mathrm{13597}}^1$

素因数の和:13623

約数の個数: 54

約数和(自身を含む): 215405918

約数和(自身を除く): 128385118

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 13597, 27194, 54388, 67985, 108776, 135970, 217552, 271940, 339925, 435104, 543880, 679850, 870208, 1087760, 1359700, 1740416, 2175520, 2719400, 3480832, 4351040, 5438800, 8702080, 10877600, 17404160, 21755200, 43510400, 87020800]

約数ペア:

[(1, 87020800), (2, 43510400), (4, 21755200), (5, 17404160), (8, 10877600), (10, 8702080), (16, 5438800), (20, 4351040), (25, 3480832), (32, 2719400), (40, 2175520), (50, 1740416), (64, 1359700), (80, 1087760), (100, 870208), (128, 679850), (160, 543880), (200, 435104), (256, 339925), (320, 271940), (400, 217552), (640, 135970), (800, 108776), (1280, 67985), (1600, 54388), (3200, 27194), (6400, 13597)]