57712940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32423}}^1$

素因数の和:32521

約数の個数: 24

約数和(自身を含む): 122562720

約数和(自身を除く): 64849780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 32423, 64846, 129692, 162115, 324230, 648460, 2885647, 5771294, 11542588, 14428235, 28856470, 57712940]

約数ペア:

[(1, 57712940), (2, 28856470), (4, 14428235), (5, 11542588), (10, 5771294), (20, 2885647), (89, 648460), (178, 324230), (356, 162115), (445, 129692), (890, 64846), (1780, 32423)]