79081880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14431}}^1$

素因数の和:14579

約数の個数: 32

約数和(自身を含む): 179245440

約数和(自身を除く): 100163560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14431, 28862, 57724, 72155, 115448, 144310, 288620, 577240, 1977047, 3954094, 7908188, 9885235, 15816376, 19770470, 39540940, 79081880]

約数ペア:

[(1, 79081880), (2, 39540940), (4, 19770470), (5, 15816376), (8, 9885235), (10, 7908188), (20, 3954094), (40, 1977047), (137, 577240), (274, 288620), (548, 144310), (685, 115448), (1096, 72155), (1370, 57724), (2740, 28862), (5480, 14431)]