27961520

素因数分解:

$2^4\times 5^1\times {\mathrm{349519}}^1$

素因数の和:349532

約数の個数: 20

約数和(自身を含む): 65010720

約数和(自身を除く): 37049200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349519, 699038, 1398076, 1747595, 2796152, 3495190, 5592304, 6990380, 13980760, 27961520]

約数ペア:

[(1, 27961520), (2, 13980760), (4, 6990380), (5, 5592304), (8, 3495190), (10, 2796152), (16, 1747595), (20, 1398076), (40, 699038), (80, 349519)]