51606440

素因数分解:

$2^3\times 5^1\times {\mathrm{1290161}}^1$

素因数の和:1290172

約数の個数: 16

約数和(自身を含む): 116114580

約数和(自身を除く): 64508140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1290161, 2580322, 5160644, 6450805, 10321288, 12901610, 25803220, 51606440]

約数ペア:

[(1, 51606440), (2, 25803220), (4, 12901610), (5, 10321288), (8, 6450805), (10, 5160644), (20, 2580322), (40, 1290161)]