275961520

素因数分解:

$2^4\times 5^1\times {\mathrm{3449519}}^1$

素因数の和:3449532

約数の個数: 20

約数和(自身を含む): 641610720

約数和(自身を除く): 365649200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3449519, 6899038, 13798076, 17247595, 27596152, 34495190, 55192304, 68990380, 137980760, 275961520]

約数ペア:

[(1, 275961520), (2, 137980760), (4, 68990380), (5, 55192304), (8, 34495190), (10, 27596152), (16, 17247595), (20, 13798076), (40, 6899038), (80, 3449519)]