3955880

素因数分解:

$2^3\times 5^1\times {\mathrm{98897}}^1$

素因数の和:98908

約数の個数: 16

約数和(自身を含む): 8900820

約数和(自身を除く): 4944940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 98897, 197794, 395588, 494485, 791176, 988970, 1977940, 3955880]

約数ペア:

[(1, 3955880), (2, 1977940), (4, 988970), (5, 791176), (8, 494485), (10, 395588), (20, 197794), (40, 98897)]