19930720000

素因数分解:

$2^8\times 5^4\times {\mathrm{124567}}^1$

素因数の和:124603

約数の個数: 90

約数和(自身を含む): 49713967688

約数和(自身を除く): 29783247688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 1000, 1250, 1280, 1600, 2000, 2500, 3200, 4000, 5000, 6400, 8000, 10000, 16000, 20000, 32000, 40000, 80000, 124567, 160000, 249134, 498268, 622835, 996536, 1245670, 1993072, 2491340, 3114175, 3986144, 4982680, 6228350, 7972288, 9965360, 12456700, 15570875, 15944576, 19930720, 24913400, 31141750, 31889152, 39861440, 49826800, 62283500, 77854375, 79722880, 99653600, 124567000, 155708750, 159445760, 199307200, 249134000, 311417500, 398614400, 498268000, 622835000, 797228800, 996536000, 1245670000, 1993072000, 2491340000, 3986144000, 4982680000, 9965360000, 19930720000]

約数ペア:

[(1, 19930720000), (2, 9965360000), (4, 4982680000), (5, 3986144000), (8, 2491340000), (10, 1993072000), (16, 1245670000), (20, 996536000), (25, 797228800), (32, 622835000), (40, 498268000), (50, 398614400), (64, 311417500), (80, 249134000), (100, 199307200), (125, 159445760), (128, 155708750), (160, 124567000), (200, 99653600), (250, 79722880), (256, 77854375), (320, 62283500), (400, 49826800), (500, 39861440), (625, 31889152), (640, 31141750), (800, 24913400), (1000, 19930720), (1250, 15944576), (1280, 15570875), (1600, 12456700), (2000, 9965360), (2500, 7972288), (3200, 6228350), (4000, 4982680), (5000, 3986144), (6400, 3114175), (8000, 2491340), (10000, 1993072), (16000, 1245670), (20000, 996536), (32000, 622835), (40000, 498268), (80000, 249134), (124567, 160000)]