87751120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57731}}^1$

素因数の和:57763

約数の個数: 40

約数和(自身を含む): 214763040

約数和(自身を除く): 127011920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 57731, 115462, 230924, 288655, 461848, 577310, 923696, 1096889, 1154620, 2193778, 2309240, 4387556, 4618480, 5484445, 8775112, 10968890, 17550224, 21937780, 43875560, 87751120]

約数ペア:

[(1, 87751120), (2, 43875560), (4, 21937780), (5, 17550224), (8, 10968890), (10, 8775112), (16, 5484445), (19, 4618480), (20, 4387556), (38, 2309240), (40, 2193778), (76, 1154620), (80, 1096889), (95, 923696), (152, 577310), (190, 461848), (304, 288655), (380, 230924), (760, 115462), (1520, 57731)]