26570000

素因数分解:

$2^4\times 5^4\times {\mathrm{2657}}^1$

素因数の和:2685

約数の個数: 50

約数和(自身を含む): 64352838

約数和(自身を除く): 37782838

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, 2657, 5000, 5314, 10000, 10628, 13285, 21256, 26570, 42512, 53140, 66425, 106280, 132850, 212560, 265700, 332125, 531400, 664250, 1062800, 1328500, 1660625, 2657000, 3321250, 5314000, 6642500, 13285000, 26570000]

約数ペア:

[(1, 26570000), (2, 13285000), (4, 6642500), (5, 5314000), (8, 3321250), (10, 2657000), (16, 1660625), (20, 1328500), (25, 1062800), (40, 664250), (50, 531400), (80, 332125), (100, 265700), (125, 212560), (200, 132850), (250, 106280), (400, 66425), (500, 53140), (625, 42512), (1000, 26570), (1250, 21256), (2000, 13285), (2500, 10628), (2657, 10000), (5000, 5314)]