552980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 1190112

約数和(自身を除く): 637132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 643, 860, 1286, 2572, 3215, 6430, 12860, 27649, 55298, 110596, 138245, 276490, 552980]

約数ペア:

[(1, 552980), (2, 276490), (4, 138245), (5, 110596), (10, 55298), (20, 27649), (43, 12860), (86, 6430), (172, 3215), (215, 2572), (430, 1286), (643, 860)]