77888960

素因数分解:

$2^6\times 5^1\times {\mathrm{243403}}^1$

素因数の和:243420

約数の個数: 28

約数和(自身を含む): 185473848

約数和(自身を除く): 107584888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243403, 486806, 973612, 1217015, 1947224, 2434030, 3894448, 4868060, 7788896, 9736120, 15577792, 19472240, 38944480, 77888960]

約数ペア:

[(1, 77888960), (2, 38944480), (4, 19472240), (5, 15577792), (8, 9736120), (10, 7788896), (16, 4868060), (20, 3894448), (32, 2434030), (40, 1947224), (64, 1217015), (80, 973612), (160, 486806), (320, 243403)]