16427120

素因数分解:

$2^4\times 5^1\times {\mathrm{205339}}^1$

素因数の和:205352

約数の個数: 20

約数和(自身を含む): 38193240

約数和(自身を除く): 21766120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205339, 410678, 821356, 1026695, 1642712, 2053390, 3285424, 4106780, 8213560, 16427120]

約数ペア:

[(1, 16427120), (2, 8213560), (4, 4106780), (5, 3285424), (8, 2053390), (10, 1642712), (16, 1026695), (20, 821356), (40, 410678), (80, 205339)]