13880390

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20717}}^1$

素因数の和:20791

約数の個数: 16

約数和(自身を含む): 25358832

約数和(自身を除く): 11478442

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 20717, 41434, 103585, 207170, 1388039, 2776078, 6940195, 13880390]

約数ペア:

[(1, 13880390), (2, 6940195), (5, 2776078), (10, 1388039), (67, 207170), (134, 103585), (335, 41434), (670, 20717)]