2111240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 4855680

約数和(自身を除く): 2744440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1123, 1880, 2246, 4492, 5615, 8984, 11230, 22460, 44920, 52781, 105562, 211124, 263905, 422248, 527810, 1055620, 2111240]

約数ペア:

[(1, 2111240), (2, 1055620), (4, 527810), (5, 422248), (8, 263905), (10, 211124), (20, 105562), (40, 52781), (47, 44920), (94, 22460), (188, 11230), (235, 8984), (376, 5615), (470, 4492), (940, 2246), (1123, 1880)]