1520265520

素因数分解:

$2^4\times 5^1\times {\mathrm{19003319}}^1$

素因数の和:19003332

約数の個数: 20

約数和(自身を含む): 3534617520

約数和(自身を除く): 2014352000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19003319, 38006638, 76013276, 95016595, 152026552, 190033190, 304053104, 380066380, 760132760, 1520265520]

約数ペア:

[(1, 1520265520), (2, 760132760), (4, 380066380), (5, 304053104), (8, 190033190), (10, 152026552), (16, 95016595), (20, 76013276), (40, 38006638), (80, 19003319)]