80940040

素因数分解:

$2^3\times 5^1\times {\mathrm{2023501}}^1$

素因数の和:2023512

約数の個数: 16

約数和(自身を含む): 182115180

約数和(自身を除く): 101175140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2023501, 4047002, 8094004, 10117505, 16188008, 20235010, 40470020, 80940040]

約数ペア:

[(1, 80940040), (2, 40470020), (4, 20235010), (5, 16188008), (8, 10117505), (10, 8094004), (20, 4047002), (40, 2023501)]