80786480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53149}}^1$

素因数の和:53181

約数の個数: 40

約数和(自身を含む): 197718000

約数和(自身を除く): 116931520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 53149, 106298, 212596, 265745, 425192, 531490, 850384, 1009831, 1062980, 2019662, 2125960, 4039324, 4251920, 5049155, 8078648, 10098310, 16157296, 20196620, 40393240, 80786480]

約数ペア:

[(1, 80786480), (2, 40393240), (4, 20196620), (5, 16157296), (8, 10098310), (10, 8078648), (16, 5049155), (19, 4251920), (20, 4039324), (38, 2125960), (40, 2019662), (76, 1062980), (80, 1009831), (95, 850384), (152, 531490), (190, 425192), (304, 265745), (380, 212596), (760, 106298), (1520, 53149)]