78648580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{135601}}^1$

素因数の和:135639

約数の個数: 24

約数和(自身を含む): 170858520

約数和(自身を除く): 92209940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 135601, 271202, 542404, 678005, 1356010, 2712020, 3932429, 7864858, 15729716, 19662145, 39324290, 78648580]

約数ペア:

[(1, 78648580), (2, 39324290), (4, 19662145), (5, 15729716), (10, 7864858), (20, 3932429), (29, 2712020), (58, 1356010), (116, 678005), (145, 542404), (290, 271202), (580, 135601)]