8147740

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1549}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 17186400

約数和(自身を除く): 9038660

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1549, 2630, 3098, 5260, 6196, 7745, 15490, 30980, 407387, 814774, 1629548, 2036935, 4073870, 8147740]

約数ペア:

[(1, 8147740), (2, 4073870), (4, 2036935), (5, 1629548), (10, 814774), (20, 407387), (263, 30980), (526, 15490), (1052, 7745), (1315, 6196), (1549, 5260), (2630, 3098)]