208028540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{81901}}^1$

素因数の和:82037

約数の個数: 24

約数和(自身を含む): 440305152

約数和(自身を除く): 232276612

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 81901, 163802, 327604, 409505, 819010, 1638020, 10401427, 20802854, 41605708, 52007135, 104014270, 208028540]

約数ペア:

[(1, 208028540), (2, 104014270), (4, 52007135), (5, 41605708), (10, 20802854), (20, 10401427), (127, 1638020), (254, 819010), (508, 409505), (635, 327604), (1270, 163802), (2540, 81901)]