2499840010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2808809}}^1$

素因数の和:2808905

約数の個数: 16

約数和(自身を含む): 4550272200

約数和(自身を除く): 2050432190

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2808809, 5617618, 14044045, 28088090, 249984001, 499968002, 1249920005, 2499840010]

約数ペア:

[(1, 2499840010), (2, 1249920005), (5, 499968002), (10, 249984001), (89, 28088090), (178, 14044045), (445, 5617618), (890, 2808809)]