1121240

素因数分解:

$2^3\times 5^1\times {\mathrm{28031}}^1$

素因数の和:28042

約数の個数: 16

約数和(自身を含む): 2522880

約数和(自身を除く): 1401640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 28031, 56062, 112124, 140155, 224248, 280310, 560620, 1121240]

約数ペア:

[(1, 1121240), (2, 560620), (4, 280310), (5, 224248), (8, 140155), (10, 112124), (20, 56062), (40, 28031)]