811191520

素因数分解:

$2^5\times 5^1\times {\mathrm{5069947}}^1$

素因数の和:5069962

約数の個数: 24

約数和(自身を含む): 1916440344

約数和(自身を除く): 1105248824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5069947, 10139894, 20279788, 25349735, 40559576, 50699470, 81119152, 101398940, 162238304, 202797880, 405595760, 811191520]

約数ペア:

[(1, 811191520), (2, 405595760), (4, 202797880), (5, 162238304), (8, 101398940), (10, 81119152), (16, 50699470), (20, 40559576), (32, 25349735), (40, 20279788), (80, 10139894), (160, 5069947)]