28786060

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17341}}^1$

素因数の和:17433

約数の個数: 24

約数和(自身を含む): 61182576

約数和(自身を除く): 32396516

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17341, 34682, 69364, 86705, 173410, 346820, 1439303, 2878606, 5757212, 7196515, 14393030, 28786060]

約数ペア:

[(1, 28786060), (2, 14393030), (4, 7196515), (5, 5757212), (10, 2878606), (20, 1439303), (83, 346820), (166, 173410), (332, 86705), (415, 69364), (830, 34682), (1660, 17341)]