4247440

素因数分解:

$2^4\times 5^1\times {\mathrm{53093}}^1$

素因数の和:53106

約数の個数: 20

約数和(自身を含む): 9875484

約数和(自身を除く): 5628044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 53093, 106186, 212372, 265465, 424744, 530930, 849488, 1061860, 2123720, 4247440]

約数ペア:

[(1, 4247440), (2, 2123720), (4, 1061860), (5, 849488), (8, 530930), (10, 424744), (16, 265465), (20, 212372), (40, 106186), (80, 53093)]