51280940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59629}}^1$

素因数の和:59681

約数の個数: 24

約数和(自身を含む): 110196240

約数和(自身を除く): 58915300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 59629, 119258, 238516, 298145, 596290, 1192580, 2564047, 5128094, 10256188, 12820235, 25640470, 51280940]

約数ペア:

[(1, 51280940), (2, 25640470), (4, 12820235), (5, 10256188), (10, 5128094), (20, 2564047), (43, 1192580), (86, 596290), (172, 298145), (215, 238516), (430, 119258), (860, 59629)]