13938440

素因数分解:

$2^3\times 5^1\times {\mathrm{348461}}^1$

素因数の和:348472

約数の個数: 16

約数和(自身を含む): 31361580

約数和(自身を除く): 17423140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 348461, 696922, 1393844, 1742305, 2787688, 3484610, 6969220, 13938440]

約数ペア:

[(1, 13938440), (2, 6969220), (4, 3484610), (5, 2787688), (8, 1742305), (10, 1393844), (20, 696922), (40, 348461)]