7143820

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{653}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 15052464

約数和(自身を除く): 7908644

約数列:

[1, 2, 4, 5, 10, 20, 547, 653, 1094, 1306, 2188, 2612, 2735, 3265, 5470, 6530, 10940, 13060, 357191, 714382, 1428764, 1785955, 3571910, 7143820]

約数ペア:

[(1, 7143820), (2, 3571910), (4, 1785955), (5, 1428764), (10, 714382), (20, 357191), (547, 13060), (653, 10940), (1094, 6530), (1306, 5470), (2188, 3265), (2612, 2735)]