80777920

素因数分解:

$2^6\times 5^1\times {\mathrm{252431}}^1$

素因数の和:252448

約数の個数: 28

約数和(自身を含む): 192353184

約数和(自身を除く): 111575264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 252431, 504862, 1009724, 1262155, 2019448, 2524310, 4038896, 5048620, 8077792, 10097240, 16155584, 20194480, 40388960, 80777920]

約数ペア:

[(1, 80777920), (2, 40388960), (4, 20194480), (5, 16155584), (8, 10097240), (10, 8077792), (16, 5048620), (20, 4038896), (32, 2524310), (40, 2019448), (64, 1262155), (80, 1009724), (160, 504862), (320, 252431)]