8656880

素因数分解:

$2^4\times 5^1\times {\mathrm{108211}}^1$

素因数の和:108224

約数の個数: 20

約数和(自身を含む): 20127432

約数和(自身を除く): 11470552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108211, 216422, 432844, 541055, 865688, 1082110, 1731376, 2164220, 4328440, 8656880]

約数ペア:

[(1, 8656880), (2, 4328440), (4, 2164220), (5, 1731376), (8, 1082110), (10, 865688), (16, 541055), (20, 432844), (40, 216422), (80, 108211)]