8712560

素因数分解:

$2^4\times 5^1\times {\mathrm{108907}}^1$

素因数の和:108920

約数の個数: 20

約数和(自身を含む): 20256888

約数和(自身を除く): 11544328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108907, 217814, 435628, 544535, 871256, 1089070, 1742512, 2178140, 4356280, 8712560]

約数ペア:

[(1, 8712560), (2, 4356280), (4, 2178140), (5, 1742512), (8, 1089070), (10, 871256), (16, 544535), (20, 435628), (40, 217814), (80, 108907)]