28722140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35027}}^1$

素因数の和:35077

約数の個数: 24

約数和(自身を含む): 61789392

約数和(自身を除く): 33067252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 35027, 70054, 140108, 175135, 350270, 700540, 1436107, 2872214, 5744428, 7180535, 14361070, 28722140]

約数ペア:

[(1, 28722140), (2, 14361070), (4, 7180535), (5, 5744428), (10, 2872214), (20, 1436107), (41, 700540), (82, 350270), (164, 175135), (205, 140108), (410, 70054), (820, 35027)]