40391168

素因数分解:

$2^9\times {\mathrm{78889}}^1$

素因数の和:78907

約数の個数: 20

約数和(自身を含む): 80704470

約数和(自身を除く): 40313302

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 78889, 157778, 315556, 631112, 1262224, 2524448, 5048896, 10097792, 20195584, 40391168]

約数ペア:

[(1, 40391168), (2, 20195584), (4, 10097792), (8, 5048896), (16, 2524448), (32, 1262224), (64, 631112), (128, 315556), (256, 157778), (512, 78889)]