54065720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15187}}^1$

素因数の和:15287

約数の個数: 32

約数和(自身を含む): 123022800

約数和(自身を除く): 68957080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15187, 30374, 60748, 75935, 121496, 151870, 303740, 607480, 1351643, 2703286, 5406572, 6758215, 10813144, 13516430, 27032860, 54065720]

約数ペア:

[(1, 54065720), (2, 27032860), (4, 13516430), (5, 10813144), (8, 6758215), (10, 5406572), (20, 2703286), (40, 1351643), (89, 607480), (178, 303740), (356, 151870), (445, 121496), (712, 75935), (890, 60748), (1780, 30374), (3560, 15187)]