77472880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{50969}}^1$

素因数の和:51001

約数の個数: 40

約数和(自身を含む): 189608400

約数和(自身を除く): 112135520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 50969, 101938, 203876, 254845, 407752, 509690, 815504, 968411, 1019380, 1936822, 2038760, 3873644, 4077520, 4842055, 7747288, 9684110, 15494576, 19368220, 38736440, 77472880]

約数ペア:

[(1, 77472880), (2, 38736440), (4, 19368220), (5, 15494576), (8, 9684110), (10, 7747288), (16, 4842055), (19, 4077520), (20, 3873644), (38, 2038760), (40, 1936822), (76, 1019380), (80, 968411), (95, 815504), (152, 509690), (190, 407752), (304, 254845), (380, 203876), (760, 101938), (1520, 50969)]