7639880

素因数分解:

$2^3\times 5^1\times {\mathrm{190997}}^1$

素因数の和:191008

約数の個数: 16

約数和(自身を含む): 17189820

約数和(自身を除く): 9549940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 190997, 381994, 763988, 954985, 1527976, 1909970, 3819940, 7639880]

約数ペア:

[(1, 7639880), (2, 3819940), (4, 1909970), (5, 1527976), (8, 954985), (10, 763988), (20, 381994), (40, 190997)]