51150800

素因数分解:

$2^4\times 5^2\times {\mathrm{127877}}^1$

素因数の和:127895

約数の個数: 30

約数和(自身を含む): 122890758

約数和(自身を除く): 71739958

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 127877, 255754, 511508, 639385, 1023016, 1278770, 2046032, 2557540, 3196925, 5115080, 6393850, 10230160, 12787700, 25575400, 51150800]

約数ペア:

[(1, 51150800), (2, 25575400), (4, 12787700), (5, 10230160), (8, 6393850), (10, 5115080), (16, 3196925), (20, 2557540), (25, 2046032), (40, 1278770), (50, 1023016), (80, 639385), (100, 511508), (200, 255754), (400, 127877)]