80020205

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1669}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 98757120

約数和(自身を除く): 18736915

約数列:

[1, 5, 43, 215, 223, 1115, 1669, 8345, 9589, 47945, 71767, 358835, 372187, 1860935, 16004041, 80020205]

約数ペア:

[(1, 80020205), (5, 16004041), (43, 1860935), (215, 372187), (223, 358835), (1115, 71767), (1669, 47945), (8345, 9589)]