20260040

素因数分解:

$2^3\times 5^1\times {\mathrm{506501}}^1$

素因数の和:506512

約数の個数: 16

約数和(自身を含む): 45585180

約数和(自身を除く): 25325140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506501, 1013002, 2026004, 2532505, 4052008, 5065010, 10130020, 20260040]

約数ペア:

[(1, 20260040), (2, 10130020), (4, 5065010), (5, 4052008), (8, 2532505), (10, 2026004), (20, 1013002), (40, 506501)]