80190680

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1433}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 180684000

約数和(自身を除く): 100493320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 1433, 2798, 2866, 5596, 5732, 6995, 7165, 11192, 11464, 13990, 14330, 27980, 28660, 55960, 57320, 2004767, 4009534, 8019068, 10023835, 16038136, 20047670, 40095340, 80190680]

約数ペア:

[(1, 80190680), (2, 40095340), (4, 20047670), (5, 16038136), (8, 10023835), (10, 8019068), (20, 4009534), (40, 2004767), (1399, 57320), (1433, 55960), (2798, 28660), (2866, 27980), (5596, 14330), (5732, 13990), (6995, 11464), (7165, 11192)]