40804880

素因数分解:

$2^4\times 5^1\times {\mathrm{510061}}^1$

素因数の和:510074

約数の個数: 20

約数和(自身を含む): 94871532

約数和(自身を除く): 54066652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510061, 1020122, 2040244, 2550305, 4080488, 5100610, 8160976, 10201220, 20402440, 40804880]

約数ペア:

[(1, 40804880), (2, 20402440), (4, 10201220), (5, 8160976), (8, 5100610), (10, 4080488), (16, 2550305), (20, 2040244), (40, 1020122), (80, 510061)]