158055280

素因数分解:

$2^4\times 5^1\times {\mathrm{1975691}}^1$

素因数の和:1975704

約数の個数: 20

約数和(自身を含む): 367478712

約数和(自身を除く): 209423432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1975691, 3951382, 7902764, 9878455, 15805528, 19756910, 31611056, 39513820, 79027640, 158055280]

約数ペア:

[(1, 158055280), (2, 79027640), (4, 39513820), (5, 31611056), (8, 19756910), (10, 15805528), (16, 9878455), (20, 7902764), (40, 3951382), (80, 1975691)]