203208520

素因数分解:

$2^3\times 5^1\times {\mathrm{5080213}}^1$

素因数の和:5080224

約数の個数: 16

約数和(自身を含む): 457219260

約数和(自身を除く): 254010740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5080213, 10160426, 20320852, 25401065, 40641704, 50802130, 101604260, 203208520]

約数ペア:

[(1, 203208520), (2, 101604260), (4, 50802130), (5, 40641704), (8, 25401065), (10, 20320852), (20, 10160426), (40, 5080213)]