4340080

素因数分解:

$2^4\times 5^1\times {\mathrm{54251}}^1$

素因数の和:54264

約数の個数: 20

約数和(自身を含む): 10090872

約数和(自身を除く): 5750792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 54251, 108502, 217004, 271255, 434008, 542510, 868016, 1085020, 2170040, 4340080]

約数ペア:

[(1, 4340080), (2, 2170040), (4, 1085020), (5, 868016), (8, 542510), (10, 434008), (16, 271255), (20, 217004), (40, 108502), (80, 54251)]