2766160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 6535296

約数和(自身を除く): 3769136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 487, 568, 710, 974, 1136, 1420, 1948, 2435, 2840, 3896, 4870, 5680, 7792, 9740, 19480, 34577, 38960, 69154, 138308, 172885, 276616, 345770, 553232, 691540, 1383080, 2766160]

約数ペア:

[(1, 2766160), (2, 1383080), (4, 691540), (5, 553232), (8, 345770), (10, 276616), (16, 172885), (20, 138308), (40, 69154), (71, 38960), (80, 34577), (142, 19480), (284, 9740), (355, 7792), (487, 5680), (568, 4870), (710, 3896), (974, 2840), (1136, 2435), (1420, 1948)]