25539520

素因数分解:

$2^6\times 5^1\times {\mathrm{79811}}^1$

素因数の和:79828

約数の個数: 28

約数和(自身を含む): 60816744

約数和(自身を除く): 35277224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 79811, 159622, 319244, 399055, 638488, 798110, 1276976, 1596220, 2553952, 3192440, 5107904, 6384880, 12769760, 25539520]

約数ペア:

[(1, 25539520), (2, 12769760), (4, 6384880), (5, 5107904), (8, 3192440), (10, 2553952), (16, 1596220), (20, 1276976), (32, 798110), (40, 638488), (64, 399055), (80, 319244), (160, 159622), (320, 79811)]