78588680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14341}}^1$

素因数の和:14489

約数の個数: 32

約数和(自身を含む): 178127640

約数和(自身を除く): 99538960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14341, 28682, 57364, 71705, 114728, 143410, 286820, 573640, 1964717, 3929434, 7858868, 9823585, 15717736, 19647170, 39294340, 78588680]

約数ペア:

[(1, 78588680), (2, 39294340), (4, 19647170), (5, 15717736), (8, 9823585), (10, 7858868), (20, 3929434), (40, 1964717), (137, 573640), (274, 286820), (548, 143410), (685, 114728), (1096, 71705), (1370, 57364), (2740, 28682), (5480, 14341)]