22639280

素因数分解:

$2^4\times 5^1\times {\mathrm{282991}}^1$

素因数の和:283004

約数の個数: 20

約数和(自身を含む): 52636512

約数和(自身を除く): 29997232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 282991, 565982, 1131964, 1414955, 2263928, 2829910, 4527856, 5659820, 11319640, 22639280]

約数ペア:

[(1, 22639280), (2, 11319640), (4, 5659820), (5, 4527856), (8, 2829910), (10, 2263928), (16, 1414955), (20, 1131964), (40, 565982), (80, 282991)]