159206440

素因数分解:

$2^3\times 5^1\times {\mathrm{3980161}}^1$

素因数の和:3980172

約数の個数: 16

約数和(自身を含む): 358214580

約数和(自身を除く): 199008140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3980161, 7960322, 15920644, 19900805, 31841288, 39801610, 79603220, 159206440]

約数ペア:

[(1, 159206440), (2, 79603220), (4, 39801610), (5, 31841288), (8, 19900805), (10, 15920644), (20, 7960322), (40, 3980161)]