40000004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{909091}}^1$

素因数の和:909106

約数の個数: 12

約数和(自身を含む): 76363728

約数和(自身を除く): 36363724

約数列:

[1, 2, 4, 11, 22, 44, 909091, 1818182, 3636364, 10000001, 20000002, 40000004]

約数ペア:

[(1, 40000004), (2, 20000002), (4, 10000001), (11, 3636364), (22, 1818182), (44, 909091)]