28217260

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1453}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 59358096

約数和(自身を除く): 31140836

約数列:

[1, 2, 4, 5, 10, 20, 971, 1453, 1942, 2906, 3884, 4855, 5812, 7265, 9710, 14530, 19420, 29060, 1410863, 2821726, 5643452, 7054315, 14108630, 28217260]

約数ペア:

[(1, 28217260), (2, 14108630), (4, 7054315), (5, 5643452), (10, 2821726), (20, 1410863), (971, 29060), (1453, 19420), (1942, 14530), (2906, 9710), (3884, 7265), (4855, 5812)]