27741520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18251}}^1$

素因数の和:18283

約数の個数: 40

約数和(自身を含む): 67897440

約数和(自身を除く): 40155920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18251, 36502, 73004, 91255, 146008, 182510, 292016, 346769, 365020, 693538, 730040, 1387076, 1460080, 1733845, 2774152, 3467690, 5548304, 6935380, 13870760, 27741520]

約数ペア:

[(1, 27741520), (2, 13870760), (4, 6935380), (5, 5548304), (8, 3467690), (10, 2774152), (16, 1733845), (19, 1460080), (20, 1387076), (38, 730040), (40, 693538), (76, 365020), (80, 346769), (95, 292016), (152, 182510), (190, 146008), (304, 91255), (380, 73004), (760, 36502), (1520, 18251)]