7638680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{27281}}^1$

素因数の和:27299

約数の個数: 32

約数和(自身を含む): 19643040

約数和(自身を除く): 12004360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 27281, 54562, 109124, 136405, 190967, 218248, 272810, 381934, 545620, 763868, 954835, 1091240, 1527736, 1909670, 3819340, 7638680]

約数ペア:

[(1, 7638680), (2, 3819340), (4, 1909670), (5, 1527736), (7, 1091240), (8, 954835), (10, 763868), (14, 545620), (20, 381934), (28, 272810), (35, 218248), (40, 190967), (56, 136405), (70, 109124), (140, 54562), (280, 27281)]