13490980

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1033}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 28401912

約数和(自身を除く): 14910932

約数列:

[1, 2, 4, 5, 10, 20, 653, 1033, 1306, 2066, 2612, 3265, 4132, 5165, 6530, 10330, 13060, 20660, 674549, 1349098, 2698196, 3372745, 6745490, 13490980]

約数ペア:

[(1, 13490980), (2, 6745490), (4, 3372745), (5, 2698196), (10, 1349098), (20, 674549), (653, 20660), (1033, 13060), (1306, 10330), (2066, 6530), (2612, 5165), (3265, 4132)]