204069680

素因数分解:

$2^4\times 5^1\times {\mathrm{2550871}}^1$

素因数の和:2550884

約数の個数: 20

約数和(自身を含む): 474462192

約数和(自身を除く): 270392512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2550871, 5101742, 10203484, 12754355, 20406968, 25508710, 40813936, 51017420, 102034840, 204069680]

約数ペア:

[(1, 204069680), (2, 102034840), (4, 51017420), (5, 40813936), (8, 25508710), (10, 20406968), (16, 12754355), (20, 10203484), (40, 5101742), (80, 2550871)]