209580940

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{8117}}^1$

素因数の和:9417

約数の個数: 24

約数和(自身を含む): 440515152

約数和(自身を除く): 230934212

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 5164, 6455, 8117, 12910, 16234, 25820, 32468, 40585, 81170, 162340, 10479047, 20958094, 41916188, 52395235, 104790470, 209580940]

約数ペア:

[(1, 209580940), (2, 104790470), (4, 52395235), (5, 41916188), (10, 20958094), (20, 10479047), (1291, 162340), (2582, 81170), (5164, 40585), (6455, 32468), (8117, 25820), (12910, 16234)]