78068500

素因数分解:

$2^2\times 5^3\times {\mathrm{193}}^1\times {\mathrm{809}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 171596880

約数和(自身を除く): 93528380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 193, 250, 386, 500, 772, 809, 965, 1618, 1930, 3236, 3860, 4045, 4825, 8090, 9650, 16180, 19300, 20225, 24125, 40450, 48250, 80900, 96500, 101125, 156137, 202250, 312274, 404500, 624548, 780685, 1561370, 3122740, 3903425, 7806850, 15613700, 19517125, 39034250, 78068500]

約数ペア:

[(1, 78068500), (2, 39034250), (4, 19517125), (5, 15613700), (10, 7806850), (20, 3903425), (25, 3122740), (50, 1561370), (100, 780685), (125, 624548), (193, 404500), (250, 312274), (386, 202250), (500, 156137), (772, 101125), (809, 96500), (965, 80900), (1618, 48250), (1930, 40450), (3236, 24125), (3860, 20225), (4045, 19300), (4825, 16180), (8090, 9650)]