2016661840

素因数分解:

$2^4\times 5^1\times {\mathrm{25208273}}^1$

素因数の和:25208286

約数の個数: 20

約数和(自身を含む): 4688738964

約数和(自身を除く): 2672077124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25208273, 50416546, 100833092, 126041365, 201666184, 252082730, 403332368, 504165460, 1008330920, 2016661840]

約数ペア:

[(1, 2016661840), (2, 1008330920), (4, 504165460), (5, 403332368), (8, 252082730), (10, 201666184), (16, 126041365), (20, 100833092), (40, 50416546), (80, 25208273)]