22039280

素因数分解:

$2^4\times 5^1\times {\mathrm{275491}}^1$

素因数の和:275504

約数の個数: 20

約数和(自身を含む): 51241512

約数和(自身を除く): 29202232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 275491, 550982, 1101964, 1377455, 2203928, 2754910, 4407856, 5509820, 11019640, 22039280]

約数ペア:

[(1, 22039280), (2, 11019640), (4, 5509820), (5, 4407856), (8, 2754910), (10, 2203928), (16, 1377455), (20, 1101964), (40, 550982), (80, 275491)]