1261531580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3710387}}^1$

素因数の和:3710413

約数の個数: 24

約数和(自身を含む): 2805053328

約数和(自身を除く): 1543521748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3710387, 7420774, 14841548, 18551935, 37103870, 63076579, 74207740, 126153158, 252306316, 315382895, 630765790, 1261531580]

約数ペア:

[(1, 1261531580), (2, 630765790), (4, 315382895), (5, 252306316), (10, 126153158), (17, 74207740), (20, 63076579), (34, 37103870), (68, 18551935), (85, 14841548), (170, 7420774), (340, 3710387)]