12851430400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{619}}^1\times {\mathrm{811}}^1$

素因数の和:1460

約数の個数: 132

約数和(自身を含む): 31946792080

約数和(自身を除く): 19095361680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 619, 640, 800, 811, 1024, 1238, 1280, 1600, 1622, 2476, 2560, 3095, 3200, 3244, 4055, 4952, 5120, 6190, 6400, 6488, 8110, 9904, 12380, 12800, 12976, 15475, 16220, 19808, 20275, 24760, 25600, 25952, 30950, 32440, 39616, 40550, 49520, 51904, 61900, 64880, 79232, 81100, 99040, 103808, 123800, 129760, 158464, 162200, 198080, 207616, 247600, 259520, 316928, 324400, 396160, 415232, 495200, 502009, 519040, 633856, 648800, 792320, 830464, 990400, 1004018, 1038080, 1297600, 1584640, 1980800, 2008036, 2076160, 2510045, 2595200, 3169280, 3961600, 4016072, 4152320, 5020090, 5190400, 7923200, 8032144, 10040180, 10380800, 12550225, 15846400, 16064288, 20080360, 20761600, 25100450, 32128576, 40160720, 50200900, 64257152, 80321440, 100401800, 128514304, 160642880, 200803600, 257028608, 321285760, 401607200, 514057216, 642571520, 803214400, 1285143040, 1606428800, 2570286080, 3212857600, 6425715200, 12851430400]

約数ペア:

[(1, 12851430400), (2, 6425715200), (4, 3212857600), (5, 2570286080), (8, 1606428800), (10, 1285143040), (16, 803214400), (20, 642571520), (25, 514057216), (32, 401607200), (40, 321285760), (50, 257028608), (64, 200803600), (80, 160642880), (100, 128514304), (128, 100401800), (160, 80321440), (200, 64257152), (256, 50200900), (320, 40160720), (400, 32128576), (512, 25100450), (619, 20761600), (640, 20080360), (800, 16064288), (811, 15846400), (1024, 12550225), (1238, 10380800), (1280, 10040180), (1600, 8032144), (1622, 7923200), (2476, 5190400), (2560, 5020090), (3095, 4152320), (3200, 4016072), (3244, 3961600), (4055, 3169280), (4952, 2595200), (5120, 2510045), (6190, 2076160), (6400, 2008036), (6488, 1980800), (8110, 1584640), (9904, 1297600), (12380, 1038080), (12800, 1004018), (12976, 990400), (15475, 830464), (16220, 792320), (19808, 648800), (20275, 633856), (24760, 519040), (25600, 502009), (25952, 495200), (30950, 415232), (32440, 396160), (39616, 324400), (40550, 316928), (49520, 259520), (51904, 247600), (61900, 207616), (64880, 198080), (79232, 162200), (81100, 158464), (99040, 129760), (103808, 123800)]