200865790

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{20269}}^1$

素因数の和:21267

約数の個数: 16

約数和(自身を含む): 361941120

約数和(自身を除く): 161075330

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 9910, 20269, 40538, 101345, 202690, 20086579, 40173158, 100432895, 200865790]

約数ペア:

[(1, 200865790), (2, 100432895), (5, 40173158), (10, 20086579), (991, 202690), (1982, 101345), (4955, 40538), (9910, 20269)]