38943820

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1559}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 81900000

約数和(自身を除く): 42956180

約数列:

[1, 2, 4, 5, 10, 20, 1249, 1559, 2498, 3118, 4996, 6236, 6245, 7795, 12490, 15590, 24980, 31180, 1947191, 3894382, 7788764, 9735955, 19471910, 38943820]

約数ペア:

[(1, 38943820), (2, 19471910), (4, 9735955), (5, 7788764), (10, 3894382), (20, 1947191), (1249, 31180), (1559, 24980), (2498, 15590), (3118, 12490), (4996, 7795), (6236, 6245)]