2540780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11549}}^1$

素因数の和:11569

約数の個数: 24

約数和(自身を含む): 5821200

約数和(自身を除く): 3280420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 11549, 23098, 46196, 57745, 115490, 127039, 230980, 254078, 508156, 635195, 1270390, 2540780]

約数ペア:

[(1, 2540780), (2, 1270390), (4, 635195), (5, 508156), (10, 254078), (11, 230980), (20, 127039), (22, 115490), (44, 57745), (55, 46196), (110, 23098), (220, 11549)]