80438896

素因数分解:

$2^4\times {\mathrm{43}}^2\times {\mathrm{2719}}^1$

素因数の和:2813

約数の個数: 30

約数和(自身を含む): 159617760

約数和(自身を除く): 79178864

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1849, 2719, 3698, 5438, 7396, 10876, 14792, 21752, 29584, 43504, 116917, 233834, 467668, 935336, 1870672, 5027431, 10054862, 20109724, 40219448, 80438896]

約数ペア:

[(1, 80438896), (2, 40219448), (4, 20109724), (8, 10054862), (16, 5027431), (43, 1870672), (86, 935336), (172, 467668), (344, 233834), (688, 116917), (1849, 43504), (2719, 29584), (3698, 21752), (5438, 14792), (7396, 10876)]