80157968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{455443}}^1$

素因数の和:455462

約数の個数: 20

約数和(自身を含む): 169425168

約数和(自身を除く): 89267200

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 455443, 910886, 1821772, 3643544, 5009873, 7287088, 10019746, 20039492, 40078984, 80157968]

約数ペア:

[(1, 80157968), (2, 40078984), (4, 20039492), (8, 10019746), (11, 7287088), (16, 5009873), (22, 3643544), (44, 1821772), (88, 910886), (176, 455443)]