77156120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13877}}^1$

素因数の和:14027

約数の個数: 32

約数和(自身を含む): 174862800

約数和(自身を除く): 97706680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 13877, 27754, 55508, 69385, 111016, 138770, 277540, 555080, 1928903, 3857806, 7715612, 9644515, 15431224, 19289030, 38578060, 77156120]

約数ペア:

[(1, 77156120), (2, 38578060), (4, 19289030), (5, 15431224), (8, 9644515), (10, 7715612), (20, 3857806), (40, 1928903), (139, 555080), (278, 277540), (556, 138770), (695, 111016), (1112, 69385), (1390, 55508), (2780, 27754), (5560, 13877)]