77443280

素因数分解:

$2^4\times 5^1\times {\mathrm{968041}}^1$

素因数の和:968054

約数の個数: 20

約数和(自身を含む): 180055812

約数和(自身を除く): 102612532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 968041, 1936082, 3872164, 4840205, 7744328, 9680410, 15488656, 19360820, 38721640, 77443280]

約数ペア:

[(1, 77443280), (2, 38721640), (4, 19360820), (5, 15488656), (8, 9680410), (10, 7744328), (16, 4840205), (20, 3872164), (40, 1936082), (80, 968041)]