201070000

素因数分解:

$2^4\times 5^4\times {\mathrm{20107}}^1$

素因数の和:20135

約数の個数: 50

約数和(自身を含む): 486834788

約数和(自身を除く): 285764788

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, 5000, 10000, 20107, 40214, 80428, 100535, 160856, 201070, 321712, 402140, 502675, 804280, 1005350, 1608560, 2010700, 2513375, 4021400, 5026750, 8042800, 10053500, 12566875, 20107000, 25133750, 40214000, 50267500, 100535000, 201070000]

約数ペア:

[(1, 201070000), (2, 100535000), (4, 50267500), (5, 40214000), (8, 25133750), (10, 20107000), (16, 12566875), (20, 10053500), (25, 8042800), (40, 5026750), (50, 4021400), (80, 2513375), (100, 2010700), (125, 1608560), (200, 1005350), (250, 804280), (400, 502675), (500, 402140), (625, 321712), (1000, 201070), (1250, 160856), (2000, 100535), (2500, 80428), (5000, 40214), (10000, 20107)]