16380895

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 20100960

約数和(自身を除く): 3720065

約数列:

[1, 5, 89, 131, 281, 445, 655, 1405, 11659, 25009, 36811, 58295, 125045, 184055, 3276179, 16380895]

約数ペア:

[(1, 16380895), (5, 3276179), (89, 184055), (131, 125045), (281, 58295), (445, 36811), (655, 25009), (1405, 11659)]