39408540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{656809}}^1$

素因数の和:656821

約数の個数: 24

約数和(自身を含む): 110344080

約数和(自身を除く): 70935540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 656809, 1313618, 1970427, 2627236, 3284045, 3940854, 6568090, 7881708, 9852135, 13136180, 19704270, 39408540]

約数ペア:

[(1, 39408540), (2, 19704270), (3, 13136180), (4, 9852135), (5, 7881708), (6, 6568090), (10, 3940854), (12, 3284045), (15, 2627236), (20, 1970427), (30, 1313618), (60, 656809)]