40804568

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2903}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 87816960

約数和(自身を除く): 47012392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 2903, 3514, 5806, 7028, 11612, 14056, 20321, 23224, 40642, 81284, 162568, 728653, 1457306, 2914612, 5100571, 5829224, 10201142, 20402284, 40804568]

約数ペア:

[(1, 40804568), (2, 20402284), (4, 10201142), (7, 5829224), (8, 5100571), (14, 2914612), (28, 1457306), (56, 728653), (251, 162568), (502, 81284), (1004, 40642), (1757, 23224), (2008, 20321), (2903, 14056), (3514, 11612), (5806, 7028)]