50871280

素因数分解:

$2^4\times 5^1\times {\mathrm{635891}}^1$

素因数の和:635904

約数の個数: 20

約数和(自身を含む): 118275912

約数和(自身を除く): 67404632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 635891, 1271782, 2543564, 3179455, 5087128, 6358910, 10174256, 12717820, 25435640, 50871280]

約数ペア:

[(1, 50871280), (2, 25435640), (4, 12717820), (5, 10174256), (8, 6358910), (10, 5087128), (16, 3179455), (20, 2543564), (40, 1271782), (80, 635891)]