20101704880

素因数分解:

$2^4\times 5^1\times {\mathrm{251271311}}^1$

素因数の和:251271324

約数の個数: 20

約数和(自身を含む): 46736464032

約数和(自身を除く): 26634759152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251271311, 502542622, 1005085244, 1256356555, 2010170488, 2512713110, 4020340976, 5025426220, 10050852440, 20101704880]

約数ペア:

[(1, 20101704880), (2, 10050852440), (4, 5025426220), (5, 4020340976), (8, 2512713110), (10, 2010170488), (16, 1256356555), (20, 1005085244), (40, 502542622), (80, 251271311)]