22447280

素因数分解:

$2^4\times 5^1\times {\mathrm{280591}}^1$

素因数の和:280604

約数の個数: 20

約数和(自身を含む): 52190112

約数和(自身を除く): 29742832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280591, 561182, 1122364, 1402955, 2244728, 2805910, 4489456, 5611820, 11223640, 22447280]

約数ペア:

[(1, 22447280), (2, 11223640), (4, 5611820), (5, 4489456), (8, 2805910), (10, 2244728), (16, 1402955), (20, 1122364), (40, 561182), (80, 280591)]