79905940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107981}}^1$

素因数の和:108027

約数の個数: 24

約数和(自身を含む): 172339272

約数和(自身を除く): 92433332

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 107981, 215962, 431924, 539905, 1079810, 2159620, 3995297, 7990594, 15981188, 19976485, 39952970, 79905940]

約数ペア:

[(1, 79905940), (2, 39952970), (4, 19976485), (5, 15981188), (10, 7990594), (20, 3995297), (37, 2159620), (74, 1079810), (148, 539905), (185, 431924), (370, 215962), (740, 107981)]