80805260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{98543}}^1$

素因数の和:98593

約数の個数: 24

約数和(自身を含む): 173831616

約数和(自身を除く): 93026356

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 98543, 197086, 394172, 492715, 985430, 1970860, 4040263, 8080526, 16161052, 20201315, 40402630, 80805260]

約数ペア:

[(1, 80805260), (2, 40402630), (4, 20201315), (5, 16161052), (10, 8080526), (20, 4040263), (41, 1970860), (82, 985430), (164, 492715), (205, 394172), (410, 197086), (820, 98543)]