2253640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 5129280

約数和(自身を除く): 2875640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 547, 824, 1030, 1094, 2060, 2188, 2735, 4120, 4376, 5470, 10940, 21880, 56341, 112682, 225364, 281705, 450728, 563410, 1126820, 2253640]

約数ペア:

[(1, 2253640), (2, 1126820), (4, 563410), (5, 450728), (8, 281705), (10, 225364), (20, 112682), (40, 56341), (103, 21880), (206, 10940), (412, 5470), (515, 4376), (547, 4120), (824, 2735), (1030, 2188), (1094, 2060)]