87864880

素因数分解:

$2^4\times 5^1\times {\mathrm{1098311}}^1$

素因数の和:1098324

約数の個数: 20

約数和(自身を含む): 204286032

約数和(自身を除く): 116421152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1098311, 2196622, 4393244, 5491555, 8786488, 10983110, 17572976, 21966220, 43932440, 87864880]

約数ペア:

[(1, 87864880), (2, 43932440), (4, 21966220), (5, 17572976), (8, 10983110), (10, 8786488), (16, 5491555), (20, 4393244), (40, 2196622), (80, 1098311)]