52806440

素因数分解:

$2^3\times 5^1\times {\mathrm{1320161}}^1$

素因数の和:1320172

約数の個数: 16

約数和(自身を含む): 118814580

約数和(自身を除く): 66008140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1320161, 2640322, 5280644, 6600805, 10561288, 13201610, 26403220, 52806440]

約数ペア:

[(1, 52806440), (2, 26403220), (4, 13201610), (5, 10561288), (8, 6600805), (10, 5280644), (20, 2640322), (40, 1320161)]