217882040

素因数分解:

$2^3\times 5^1\times {\mathrm{5447051}}^1$

素因数の和:5447062

約数の個数: 16

約数和(自身を含む): 490234680

約数和(自身を除く): 272352640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5447051, 10894102, 21788204, 27235255, 43576408, 54470510, 108941020, 217882040]

約数ペア:

[(1, 217882040), (2, 108941020), (4, 54470510), (5, 43576408), (8, 27235255), (10, 21788204), (20, 10894102), (40, 5447051)]