7872040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17891}}^1$

素因数の和:17913

約数の個数: 32

約数和(自身を含む): 19323360

約数和(自身を除く): 11451320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 17891, 35782, 71564, 89455, 143128, 178910, 196801, 357820, 393602, 715640, 787204, 984005, 1574408, 1968010, 3936020, 7872040]

約数ペア:

[(1, 7872040), (2, 3936020), (4, 1968010), (5, 1574408), (8, 984005), (10, 787204), (11, 715640), (20, 393602), (22, 357820), (40, 196801), (44, 178910), (55, 143128), (88, 89455), (110, 71564), (220, 35782), (440, 17891)]