447280

素因数分解:

$2^4\times 5^1\times {\mathrm{5591}}^1$

素因数の和:5604

約数の個数: 20

約数和(自身を含む): 1040112

約数和(自身を除く): 592832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5591, 11182, 22364, 27955, 44728, 55910, 89456, 111820, 223640, 447280]

約数ペア:

[(1, 447280), (2, 223640), (4, 111820), (5, 89456), (8, 55910), (10, 44728), (16, 27955), (20, 22364), (40, 11182), (80, 5591)]