23218640

素因数分解:

$2^4\times 5^1\times {\mathrm{290233}}^1$

素因数の和:290246

約数の個数: 20

約数和(自身を含む): 53983524

約数和(自身を除く): 30764884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 290233, 580466, 1160932, 1451165, 2321864, 2902330, 4643728, 5804660, 11609320, 23218640]

約数ペア:

[(1, 23218640), (2, 11609320), (4, 5804660), (5, 4643728), (8, 2902330), (10, 2321864), (16, 1451165), (20, 1160932), (40, 580466), (80, 290233)]