1640802040

素因数分解:

$2^3\times 5^1\times {\mathrm{41020051}}^1$

素因数の和:41020062

約数の個数: 16

約数和(自身を含む): 3691804680

約数和(自身を除く): 2051002640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41020051, 82040102, 164080204, 205100255, 328160408, 410200510, 820401020, 1640802040]

約数ペア:

[(1, 1640802040), (2, 820401020), (4, 410200510), (5, 328160408), (8, 205100255), (10, 164080204), (20, 82040102), (40, 41020051)]