28006220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127301}}^1$

素因数の和:127321

約数の個数: 24

約数和(自身を含む): 64160208

約数和(自身を除く): 36153988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127301, 254602, 509204, 636505, 1273010, 1400311, 2546020, 2800622, 5601244, 7001555, 14003110, 28006220]

約数ペア:

[(1, 28006220), (2, 14003110), (4, 7001555), (5, 5601244), (10, 2800622), (11, 2546020), (20, 1400311), (22, 1273010), (44, 636505), (55, 509204), (110, 254602), (220, 127301)]