81070040

素因数分解:

$2^3\times 5^1\times {\mathrm{2026751}}^1$

素因数の和:2026762

約数の個数: 16

約数和(自身を含む): 182407680

約数和(自身を除く): 101337640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2026751, 4053502, 8107004, 10133755, 16214008, 20267510, 40535020, 81070040]

約数ペア:

[(1, 81070040), (2, 40535020), (4, 20267510), (5, 16214008), (8, 10133755), (10, 8107004), (20, 4053502), (40, 2026751)]