2009491180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2450599}}^1$

素因数の和:2450649

約数の個数: 24

約数和(自身を含む): 4322858400

約数和(自身を除く): 2313367220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2450599, 4901198, 9802396, 12252995, 24505990, 49011980, 100474559, 200949118, 401898236, 502372795, 1004745590, 2009491180]

約数ペア:

[(1, 2009491180), (2, 1004745590), (4, 502372795), (5, 401898236), (10, 200949118), (20, 100474559), (41, 49011980), (82, 24505990), (164, 12252995), (205, 9802396), (410, 4901198), (820, 2450599)]