2130220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2477}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 4579344

約数和(自身を除く): 2449124

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2477, 4954, 9908, 12385, 24770, 49540, 106511, 213022, 426044, 532555, 1065110, 2130220]

約数ペア:

[(1, 2130220), (2, 1065110), (4, 532555), (5, 426044), (10, 213022), (20, 106511), (43, 49540), (86, 24770), (172, 12385), (215, 9908), (430, 4954), (860, 2477)]