40747840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{18191}}^1$

素因数の和:18215

約数の個数: 56

約数和(自身を含む): 110898432

約数和(自身を除く): 70150592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 18191, 36382, 72764, 90955, 127337, 145528, 181910, 254674, 291056, 363820, 509348, 582112, 636685, 727640, 1018696, 1164224, 1273370, 1455280, 2037392, 2546740, 2910560, 4074784, 5093480, 5821120, 8149568, 10186960, 20373920, 40747840]

約数ペア:

[(1, 40747840), (2, 20373920), (4, 10186960), (5, 8149568), (7, 5821120), (8, 5093480), (10, 4074784), (14, 2910560), (16, 2546740), (20, 2037392), (28, 1455280), (32, 1273370), (35, 1164224), (40, 1018696), (56, 727640), (64, 636685), (70, 582112), (80, 509348), (112, 363820), (140, 291056), (160, 254674), (224, 181910), (280, 145528), (320, 127337), (448, 90955), (560, 72764), (1120, 36382), (2240, 18191)]