12389780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47653}}^1$

素因数の和:47675

約数の個数: 24

約数和(自身を含む): 28020552

約数和(自身を除く): 15630772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47653, 95306, 190612, 238265, 476530, 619489, 953060, 1238978, 2477956, 3097445, 6194890, 12389780]

約数ペア:

[(1, 12389780), (2, 6194890), (4, 3097445), (5, 2477956), (10, 1238978), (13, 953060), (20, 619489), (26, 476530), (52, 238265), (65, 190612), (130, 95306), (260, 47653)]