13840390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15551}}^1$

素因数の和:15647

約数の個数: 16

約数和(自身を含む): 25194240

約数和(自身を除く): 11353850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 15551, 31102, 77755, 155510, 1384039, 2768078, 6920195, 13840390]

約数ペア:

[(1, 13840390), (2, 6920195), (5, 2768078), (10, 1384039), (89, 155510), (178, 77755), (445, 31102), (890, 15551)]