427971640

素因数分解:

$2^3\times 5^1\times {\mathrm{10699291}}^1$

素因数の和:10699302

約数の個数: 16

約数和(自身を含む): 962936280

約数和(自身を除く): 534964640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10699291, 21398582, 42797164, 53496455, 85594328, 106992910, 213985820, 427971640]

約数ペア:

[(1, 427971640), (2, 213985820), (4, 106992910), (5, 85594328), (8, 53496455), (10, 42797164), (20, 21398582), (40, 10699291)]