128240660

素因数分解:

$2^2\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{2693}}^1$

素因数の和:5083

約数の個数: 24

約数和(自身を含む): 269518536

約数和(自身を除く): 141277876

約数列:

[1, 2, 4, 5, 10, 20, 2381, 2693, 4762, 5386, 9524, 10772, 11905, 13465, 23810, 26930, 47620, 53860, 6412033, 12824066, 25648132, 32060165, 64120330, 128240660]

約数ペア:

[(1, 128240660), (2, 64120330), (4, 32060165), (5, 25648132), (10, 12824066), (20, 6412033), (2381, 53860), (2693, 47620), (4762, 26930), (5386, 23810), (9524, 13465), (10772, 11905)]