2582000

素因数分解:

$2^4\times 5^3\times {\mathrm{1291}}^1$

素因数の和:1314

約数の個数: 40

約数和(自身を含む): 6248112

約数和(自身を除く): 3666112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1291, 2000, 2582, 5164, 6455, 10328, 12910, 20656, 25820, 32275, 51640, 64550, 103280, 129100, 161375, 258200, 322750, 516400, 645500, 1291000, 2582000]

約数ペア:

[(1, 2582000), (2, 1291000), (4, 645500), (5, 516400), (8, 322750), (10, 258200), (16, 161375), (20, 129100), (25, 103280), (40, 64550), (50, 51640), (80, 32275), (100, 25820), (125, 20656), (200, 12910), (250, 10328), (400, 6455), (500, 5164), (1000, 2582), (1291, 2000)]