51953680

素因数分解:

$2^4\times 5^1\times {\mathrm{649421}}^1$

素因数の和:649434

約数の個数: 20

約数和(自身を含む): 120792492

約数和(自身を除く): 68838812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 649421, 1298842, 2597684, 3247105, 5195368, 6494210, 10390736, 12988420, 25976840, 51953680]

約数ペア:

[(1, 51953680), (2, 25976840), (4, 12988420), (5, 10390736), (8, 6494210), (10, 5195368), (16, 3247105), (20, 2597684), (40, 1298842), (80, 649421)]