40098980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15787}}^1$

素因数の和:15923

約数の個数: 24

約数和(自身を含む): 84876288

約数和(自身を除く): 44777308

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15787, 31574, 63148, 78935, 157870, 315740, 2004949, 4009898, 8019796, 10024745, 20049490, 40098980]

約数ペア:

[(1, 40098980), (2, 20049490), (4, 10024745), (5, 8019796), (10, 4009898), (20, 2004949), (127, 315740), (254, 157870), (508, 78935), (635, 63148), (1270, 31574), (2540, 15787)]