42590000

素因数分解:

$2^4\times 5^4\times {\mathrm{4259}}^1$

素因数の和:4287

約数の個数: 50

約数和(自身を含む): 103138860

約数和(自身を除く): 60548860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 4259, 5000, 8518, 10000, 17036, 21295, 34072, 42590, 68144, 85180, 106475, 170360, 212950, 340720, 425900, 532375, 851800, 1064750, 1703600, 2129500, 2661875, 4259000, 5323750, 8518000, 10647500, 21295000, 42590000]

約数ペア:

[(1, 42590000), (2, 21295000), (4, 10647500), (5, 8518000), (8, 5323750), (10, 4259000), (16, 2661875), (20, 2129500), (25, 1703600), (40, 1064750), (50, 851800), (80, 532375), (100, 425900), (125, 340720), (200, 212950), (250, 170360), (400, 106475), (500, 85180), (625, 68144), (1000, 42590), (1250, 34072), (2000, 21295), (2500, 17036), (4259, 10000), (5000, 8518)]