80408405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2861}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 121989888

約数和(自身を除く): 41581483

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 2555, 2861, 4015, 5621, 14305, 20027, 28105, 31471, 100135, 157355, 208853, 220297, 1044265, 1101485, 1461971, 2297383, 7309855, 11486915, 16081681, 80408405]

約数ペア:

[(1, 80408405), (5, 16081681), (7, 11486915), (11, 7309855), (35, 2297383), (55, 1461971), (73, 1101485), (77, 1044265), (365, 220297), (385, 208853), (511, 157355), (803, 100135), (2555, 31471), (2861, 28105), (4015, 20027), (5621, 14305)]