22939640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13337}}^1$

素因数の和:13391

約数の個数: 32

約数和(自身を含む): 52818480

約数和(自身を除く): 29878840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13337, 26674, 53348, 66685, 106696, 133370, 266740, 533480, 573491, 1146982, 2293964, 2867455, 4587928, 5734910, 11469820, 22939640]

約数ペア:

[(1, 22939640), (2, 11469820), (4, 5734910), (5, 4587928), (8, 2867455), (10, 2293964), (20, 1146982), (40, 573491), (43, 533480), (86, 266740), (172, 133370), (215, 106696), (344, 66685), (430, 53348), (860, 26674), (1720, 13337)]