181282540

素因数分解:

$2^2\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{5153}}^1$

素因数の和:6921

約数の個数: 24

約数和(自身を含む): 380983680

約数和(自身を除く): 199701140

約数列:

[1, 2, 4, 5, 10, 20, 1759, 3518, 5153, 7036, 8795, 10306, 17590, 20612, 25765, 35180, 51530, 103060, 9064127, 18128254, 36256508, 45320635, 90641270, 181282540]

約数ペア:

[(1, 181282540), (2, 90641270), (4, 45320635), (5, 36256508), (10, 18128254), (20, 9064127), (1759, 103060), (3518, 51530), (5153, 35180), (7036, 25765), (8795, 20612), (10306, 17590)]