20875600

素因数分解:

$2^4\times 5^2\times {\mathrm{52189}}^1$

素因数の和:52207

約数の個数: 30

約数和(自身を含む): 50154590

約数和(自身を除く): 29278990

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 52189, 104378, 208756, 260945, 417512, 521890, 835024, 1043780, 1304725, 2087560, 2609450, 4175120, 5218900, 10437800, 20875600]

約数ペア:

[(1, 20875600), (2, 10437800), (4, 5218900), (5, 4175120), (8, 2609450), (10, 2087560), (16, 1304725), (20, 1043780), (25, 835024), (40, 521890), (50, 417512), (80, 260945), (100, 208756), (200, 104378), (400, 52189)]