2087669620

素因数分解:

$2^2\times 5^1\times {\mathrm{2609}}^1\times {\mathrm{40009}}^1$

素因数の和:42627

約数の個数: 24

約数和(自身を含む): 4385896200

約数和(自身を除く): 2298226580

約数列:

[1, 2, 4, 5, 10, 20, 2609, 5218, 10436, 13045, 26090, 40009, 52180, 80018, 160036, 200045, 400090, 800180, 104383481, 208766962, 417533924, 521917405, 1043834810, 2087669620]

約数ペア:

[(1, 2087669620), (2, 1043834810), (4, 521917405), (5, 417533924), (10, 208766962), (20, 104383481), (2609, 800180), (5218, 400090), (10436, 200045), (13045, 160036), (26090, 80018), (40009, 52180)]