2000739890

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{417691}}^1$

素因数の和:418177

約数の個数: 16

約数和(自身を含む): 3608858880

約数和(自身を除く): 1608118990

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4790, 417691, 835382, 2088455, 4176910, 200073989, 400147978, 1000369945, 2000739890]

約数ペア:

[(1, 2000739890), (2, 1000369945), (5, 400147978), (10, 200073989), (479, 4176910), (958, 2088455), (2395, 835382), (4790, 417691)]