10402790

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1031}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 18761760

約数和(自身を除く): 8358970

約数列:

[1, 2, 5, 10, 1009, 1031, 2018, 2062, 5045, 5155, 10090, 10310, 1040279, 2080558, 5201395, 10402790]

約数ペア:

[(1, 10402790), (2, 5201395), (5, 2080558), (10, 1040279), (1009, 10310), (1031, 10090), (2018, 5155), (2062, 5045)]