39956740

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15731}}^1$

素因数の和:15867

約数の個数: 24

約数和(自身を含む): 84575232

約数和(自身を除く): 44618492

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15731, 31462, 62924, 78655, 157310, 314620, 1997837, 3995674, 7991348, 9989185, 19978370, 39956740]

約数ペア:

[(1, 39956740), (2, 19978370), (4, 9989185), (5, 7991348), (10, 3995674), (20, 1997837), (127, 314620), (254, 157310), (508, 78655), (635, 62924), (1270, 31462), (2540, 15731)]