54712711640

素因数分解:

$2^3\times 5^1\times {\mathrm{1367817791}}^1$

素因数の和:1367817802

約数の個数: 16

約数和(自身を含む): 123103601280

約数和(自身を除く): 68390889640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1367817791, 2735635582, 5471271164, 6839088955, 10942542328, 13678177910, 27356355820, 54712711640]

約数ペア:

[(1, 54712711640), (2, 27356355820), (4, 13678177910), (5, 10942542328), (8, 6839088955), (10, 5471271164), (20, 2735635582), (40, 1367817791)]