5164000

素因数分解:

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

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 12697776

約数和(自身を除く): 7533776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1291, 2000, 2582, 4000, 5164, 6455, 10328, 12910, 20656, 25820, 32275, 41312, 51640, 64550, 103280, 129100, 161375, 206560, 258200, 322750, 516400, 645500, 1032800, 1291000, 2582000, 5164000]

約数ペア:

[(1, 5164000), (2, 2582000), (4, 1291000), (5, 1032800), (8, 645500), (10, 516400), (16, 322750), (20, 258200), (25, 206560), (32, 161375), (40, 129100), (50, 103280), (80, 64550), (100, 51640), (125, 41312), (160, 32275), (200, 25820), (250, 20656), (400, 12910), (500, 10328), (800, 6455), (1000, 5164), (1291, 4000), (2000, 2582)]