26780330

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20443}}^1$

素因数の和:20581

約数の個数: 16

約数和(自身を含む): 48574944

約数和(自身を除く): 21794614

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 20443, 40886, 102215, 204430, 2678033, 5356066, 13390165, 26780330]

約数ペア:

[(1, 26780330), (2, 13390165), (5, 5356066), (10, 2678033), (131, 204430), (262, 102215), (655, 40886), (1310, 20443)]