8731120

素因数分解:

$2^4\times 5^1\times {\mathrm{109139}}^1$

素因数の和:109152

約数の個数: 20

約数和(自身を含む): 20300040

約数和(自身を除く): 11568920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109139, 218278, 436556, 545695, 873112, 1091390, 1746224, 2182780, 4365560, 8731120]

約数ペア:

[(1, 8731120), (2, 4365560), (4, 2182780), (5, 1746224), (8, 1091390), (10, 873112), (16, 545695), (20, 436556), (40, 218278), (80, 109139)]