78109480

素因数分解:

$2^3\times 5^1\times {\mathrm{1952737}}^1$

素因数の和:1952748

約数の個数: 16

約数和(自身を含む): 175746420

約数和(自身を除く): 97636940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1952737, 3905474, 7810948, 9763685, 15621896, 19527370, 39054740, 78109480]

約数ペア:

[(1, 78109480), (2, 39054740), (4, 19527370), (5, 15621896), (8, 9763685), (10, 7810948), (20, 3905474), (40, 1952737)]