19782080

素因数分解:

$2^6\times 5^1\times {\mathrm{61819}}^1$

素因数の和:61836

約数の個数: 28

約数和(自身を含む): 47106840

約数和(自身を除く): 27324760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61819, 123638, 247276, 309095, 494552, 618190, 989104, 1236380, 1978208, 2472760, 3956416, 4945520, 9891040, 19782080]

約数ペア:

[(1, 19782080), (2, 9891040), (4, 4945520), (5, 3956416), (8, 2472760), (10, 1978208), (16, 1236380), (20, 989104), (32, 618190), (40, 494552), (64, 309095), (80, 247276), (160, 123638), (320, 61819)]