87636880

素因数分解:

$2^4\times 5^1\times {\mathrm{1095461}}^1$

素因数の和:1095474

約数の個数: 20

約数和(自身を含む): 203755932

約数和(自身を除く): 116119052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095461, 2190922, 4381844, 5477305, 8763688, 10954610, 17527376, 21909220, 43818440, 87636880]

約数ペア:

[(1, 87636880), (2, 43818440), (4, 21909220), (5, 17527376), (8, 10954610), (10, 8763688), (16, 5477305), (20, 4381844), (40, 2190922), (80, 1095461)]