12875990

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9829}}^1$

素因数の和:9967

約数の個数: 16

約数和(自身を含む): 23356080

約数和(自身を除く): 10480090

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 9829, 19658, 49145, 98290, 1287599, 2575198, 6437995, 12875990]

約数ペア:

[(1, 12875990), (2, 6437995), (5, 2575198), (10, 1287599), (131, 98290), (262, 49145), (655, 19658), (1310, 9829)]