21830800

素因数分解:

$2^4\times 5^2\times {\mathrm{54577}}^1$

素因数の和:54595

約数の個数: 30

約数和(自身を含む): 52449458

約数和(自身を除く): 30618658

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54577, 109154, 218308, 272885, 436616, 545770, 873232, 1091540, 1364425, 2183080, 2728850, 4366160, 5457700, 10915400, 21830800]

約数ペア:

[(1, 21830800), (2, 10915400), (4, 5457700), (5, 4366160), (8, 2728850), (10, 2183080), (16, 1364425), (20, 1091540), (25, 873232), (40, 545770), (50, 436616), (80, 272885), (100, 218308), (200, 109154), (400, 54577)]