28608220

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1361}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 60178608

約数和(自身を除く): 31570388

約数列:

[1, 2, 4, 5, 10, 20, 1051, 1361, 2102, 2722, 4204, 5255, 5444, 6805, 10510, 13610, 21020, 27220, 1430411, 2860822, 5721644, 7152055, 14304110, 28608220]

約数ペア:

[(1, 28608220), (2, 14304110), (4, 7152055), (5, 5721644), (10, 2860822), (20, 1430411), (1051, 27220), (1361, 21020), (2102, 13610), (2722, 10510), (4204, 6805), (5255, 5444)]