15895120

素因数分解:

$2^4\times 5^1\times {\mathrm{198689}}^1$

素因数の和:198702

約数の個数: 20

約数和(自身を含む): 36956340

約数和(自身を除く): 21061220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198689, 397378, 794756, 993445, 1589512, 1986890, 3179024, 3973780, 7947560, 15895120]

約数ペア:

[(1, 15895120), (2, 7947560), (4, 3973780), (5, 3179024), (8, 1986890), (10, 1589512), (16, 993445), (20, 794756), (40, 397378), (80, 198689)]