208059580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{52807}}^1$

素因数の和:53013

約数の個数: 24

約数和(自身を含む): 439151328

約数和(自身を除く): 231091748

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 52807, 105614, 211228, 264035, 528070, 1056140, 10402979, 20805958, 41611916, 52014895, 104029790, 208059580]

約数ペア:

[(1, 208059580), (2, 104029790), (4, 52014895), (5, 41611916), (10, 20805958), (20, 10402979), (197, 1056140), (394, 528070), (788, 264035), (985, 211228), (1970, 105614), (3940, 52807)]