67089640

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1543}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 151188480

約数和(自身を除く): 84098840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 1543, 2174, 3086, 4348, 5435, 6172, 7715, 8696, 10870, 12344, 15430, 21740, 30860, 43480, 61720, 1677241, 3354482, 6708964, 8386205, 13417928, 16772410, 33544820, 67089640]

約数ペア:

[(1, 67089640), (2, 33544820), (4, 16772410), (5, 13417928), (8, 8386205), (10, 6708964), (20, 3354482), (40, 1677241), (1087, 61720), (1543, 43480), (2174, 30860), (3086, 21740), (4348, 15430), (5435, 12344), (6172, 10870), (7715, 8696)]