51124240

素因数分解:

$2^4\times 5^1\times {\mathrm{639053}}^1$

素因数の和:639066

約数の個数: 20

約数和(自身を含む): 118864044

約数和(自身を除く): 67739804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 639053, 1278106, 2556212, 3195265, 5112424, 6390530, 10224848, 12781060, 25562120, 51124240]

約数ペア:

[(1, 51124240), (2, 25562120), (4, 12781060), (5, 10224848), (8, 6390530), (10, 5112424), (16, 3195265), (20, 2556212), (40, 1278106), (80, 639053)]