80777728

素因数分解:

$2^9\times {\mathrm{157769}}^1$

素因数の和:157787

約数の個数: 20

約数和(自身を含む): 161398710

約数和(自身を除く): 80620982

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 157769, 315538, 631076, 1262152, 2524304, 5048608, 10097216, 20194432, 40388864, 80777728]

約数ペア:

[(1, 80777728), (2, 40388864), (4, 20194432), (8, 10097216), (16, 5048608), (32, 2524304), (64, 1262152), (128, 631076), (256, 315538), (512, 157769)]