505940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 1090152

約数和(自身を除く): 584212

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 617, 820, 1234, 2468, 3085, 6170, 12340, 25297, 50594, 101188, 126485, 252970, 505940]

約数ペア:

[(1, 505940), (2, 252970), (4, 126485), (5, 101188), (10, 50594), (20, 25297), (41, 12340), (82, 6170), (164, 3085), (205, 2468), (410, 1234), (617, 820)]