6551213780

素因数分解:

$2^2\times 5^1\times {\mathrm{327560689}}^1$

素因数の和:327560698

約数の個数: 12

約数和(自身を含む): 13757548980

約数和(自身を除く): 7206335200

約数列:

[1, 2, 4, 5, 10, 20, 327560689, 655121378, 1310242756, 1637803445, 3275606890, 6551213780]

約数ペア:

[(1, 6551213780), (2, 3275606890), (4, 1637803445), (5, 1310242756), (10, 655121378), (20, 327560689)]