51811810

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{39551}}^1$

素因数の和:39689

約数の個数: 16

約数和(自身を含む): 93975552

約数和(自身を除く): 42163742

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 39551, 79102, 197755, 395510, 5181181, 10362362, 25905905, 51811810]

約数ペア:

[(1, 51811810), (2, 25905905), (5, 10362362), (10, 5181181), (131, 395510), (262, 197755), (655, 79102), (1310, 39551)]