13890230

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15607}}^1$

素因数の和:15703

約数の個数: 16

約数和(自身を含む): 25284960

約数和(自身を除く): 11394730

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 15607, 31214, 78035, 156070, 1389023, 2778046, 6945115, 13890230]

約数ペア:

[(1, 13890230), (2, 6945115), (5, 2778046), (10, 1389023), (89, 156070), (178, 78035), (445, 31214), (890, 15607)]