83955880

素因数分解:

$2^3\times 5^1\times {\mathrm{2098897}}^1$

素因数の和:2098908

約数の個数: 16

約数和(自身を含む): 188900820

約数和(自身を除く): 104944940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2098897, 4197794, 8395588, 10494485, 16791176, 20988970, 41977940, 83955880]

約数ペア:

[(1, 83955880), (2, 41977940), (4, 20988970), (5, 16791176), (8, 10494485), (10, 8395588), (20, 4197794), (40, 2098897)]