39995180

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1549}}^1$

素因数の和:2849

約数の個数: 24

約数和(自身を含む): 84109200

約数和(自身を除く): 44114020

約数列:

[1, 2, 4, 5, 10, 20, 1291, 1549, 2582, 3098, 5164, 6196, 6455, 7745, 12910, 15490, 25820, 30980, 1999759, 3999518, 7999036, 9998795, 19997590, 39995180]

約数ペア:

[(1, 39995180), (2, 19997590), (4, 9998795), (5, 7999036), (10, 3999518), (20, 1999759), (1291, 30980), (1549, 25820), (2582, 15490), (3098, 12910), (5164, 7745), (6196, 6455)]