87664880

素因数分解:

$2^4\times 5^1\times {\mathrm{1095811}}^1$

素因数の和:1095824

約数の個数: 20

約数和(自身を含む): 203821032

約数和(自身を除く): 116156152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095811, 2191622, 4383244, 5479055, 8766488, 10958110, 17532976, 21916220, 43832440, 87664880]

約数ペア:

[(1, 87664880), (2, 43832440), (4, 21916220), (5, 17532976), (8, 10958110), (10, 8766488), (16, 5479055), (20, 4383244), (40, 2191622), (80, 1095811)]