65580260

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25819}}^1$

素因数の和:25955

約数の個数: 24

約数和(自身を含む): 138808320

約数和(自身を除く): 73228060

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 25819, 51638, 103276, 129095, 258190, 516380, 3279013, 6558026, 13116052, 16395065, 32790130, 65580260]

約数ペア:

[(1, 65580260), (2, 32790130), (4, 16395065), (5, 13116052), (10, 6558026), (20, 3279013), (127, 516380), (254, 258190), (508, 129095), (635, 103276), (1270, 51638), (2540, 25819)]