40747000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{5821}}^1$

素因数の和:5849

約数の個数: 64

約数和(自身を含む): 108987840

約数和(自身を除く): 68240840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 5821, 7000, 11642, 23284, 29105, 40747, 46568, 58210, 81494, 116420, 145525, 162988, 203735, 232840, 291050, 325976, 407470, 582100, 727625, 814940, 1018675, 1164200, 1455250, 1629880, 2037350, 2910500, 4074700, 5093375, 5821000, 8149400, 10186750, 20373500, 40747000]

約数ペア:

[(1, 40747000), (2, 20373500), (4, 10186750), (5, 8149400), (7, 5821000), (8, 5093375), (10, 4074700), (14, 2910500), (20, 2037350), (25, 1629880), (28, 1455250), (35, 1164200), (40, 1018675), (50, 814940), (56, 727625), (70, 582100), (100, 407470), (125, 325976), (140, 291050), (175, 232840), (200, 203735), (250, 162988), (280, 145525), (350, 116420), (500, 81494), (700, 58210), (875, 46568), (1000, 40747), (1400, 29105), (1750, 23284), (3500, 11642), (5821, 7000)]