2019922160

素因数分解:

$2^4\times 5^1\times {\mathrm{25249027}}^1$

素因数の和:25249040

約数の個数: 20

約数和(自身を含む): 4696319208

約数和(自身を除く): 2676397048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25249027, 50498054, 100996108, 126245135, 201992216, 252490270, 403984432, 504980540, 1009961080, 2019922160]

約数ペア:

[(1, 2019922160), (2, 1009961080), (4, 504980540), (5, 403984432), (8, 252490270), (10, 201992216), (16, 126245135), (20, 100996108), (40, 50498054), (80, 25249027)]