201958970

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{10103}}^1$

素因数の和:12109

約数の個数: 16

約数和(自身を含む): 363744000

約数和(自身を除く): 161785030

約数列:

[1, 2, 5, 10, 1999, 3998, 9995, 10103, 19990, 20206, 50515, 101030, 20195897, 40391794, 100979485, 201958970]

約数ペア:

[(1, 201958970), (2, 100979485), (5, 40391794), (10, 20195897), (1999, 101030), (3998, 50515), (9995, 20206), (10103, 19990)]