28472660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26861}}^1$

素因数の和:26923

約数の個数: 24

約数和(自身を含む): 60923016

約数和(自身を除く): 32450356

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 26861, 53722, 107444, 134305, 268610, 537220, 1423633, 2847266, 5694532, 7118165, 14236330, 28472660]

約数ペア:

[(1, 28472660), (2, 14236330), (4, 7118165), (5, 5694532), (10, 2847266), (20, 1423633), (53, 537220), (106, 268610), (212, 134305), (265, 107444), (530, 53722), (1060, 26861)]