551440040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{725579}}^1$

素因数の和:725609

約数の個数: 32

約数和(自身を含む): 1306044000

約数和(自身を除く): 754603960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 725579, 1451158, 2902316, 3627895, 5804632, 7255790, 13786001, 14511580, 27572002, 29023160, 55144004, 68930005, 110288008, 137860010, 275720020, 551440040]

約数ペア:

[(1, 551440040), (2, 275720020), (4, 137860010), (5, 110288008), (8, 68930005), (10, 55144004), (19, 29023160), (20, 27572002), (38, 14511580), (40, 13786001), (76, 7255790), (95, 5804632), (152, 3627895), (190, 2902316), (380, 1451158), (760, 725579)]