77451280

素因数分解:

$2^4\times 5^1\times {\mathrm{968141}}^1$

素因数の和:968154

約数の個数: 20

約数和(自身を含む): 180074412

約数和(自身を除く): 102623132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 968141, 1936282, 3872564, 4840705, 7745128, 9681410, 15490256, 19362820, 38725640, 77451280]

約数ペア:

[(1, 77451280), (2, 38725640), (4, 19362820), (5, 15490256), (8, 9681410), (10, 7745128), (16, 4840705), (20, 3872564), (40, 1936282), (80, 968141)]