13810280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31387}}^1$

素因数の和:31409

約数の個数: 32

約数和(自身を含む): 33899040

約数和(自身を除く): 20088760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 31387, 62774, 125548, 156935, 251096, 313870, 345257, 627740, 690514, 1255480, 1381028, 1726285, 2762056, 3452570, 6905140, 13810280]

約数ペア:

[(1, 13810280), (2, 6905140), (4, 3452570), (5, 2762056), (8, 1726285), (10, 1381028), (11, 1255480), (20, 690514), (22, 627740), (40, 345257), (44, 313870), (55, 251096), (88, 156935), (110, 125548), (220, 62774), (440, 31387)]