64230400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:236

約数の個数: 132

約数和(自身を含む): 172349212

約数和(自身を除く): 108118812

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 193, 200, 208, 256, 260, 320, 325, 386, 400, 416, 512, 520, 640, 650, 772, 800, 832, 965, 1024, 1040, 1280, 1300, 1544, 1600, 1664, 1930, 2080, 2509, 2560, 2600, 3088, 3200, 3328, 3860, 4160, 4825, 5018, 5120, 5200, 6176, 6400, 6656, 7720, 8320, 9650, 10036, 10400, 12352, 12545, 12800, 13312, 15440, 16640, 19300, 20072, 20800, 24704, 25090, 25600, 30880, 33280, 38600, 40144, 41600, 49408, 50180, 61760, 62725, 66560, 77200, 80288, 83200, 98816, 100360, 123520, 125450, 154400, 160576, 166400, 197632, 200720, 247040, 250900, 308800, 321152, 332800, 401440, 494080, 501800, 617600, 642304, 802880, 988160, 1003600, 1235200, 1284608, 1605760, 2007200, 2470400, 2569216, 3211520, 4014400, 4940800, 6423040, 8028800, 12846080, 16057600, 32115200, 64230400]

約数ペア:

[(1, 64230400), (2, 32115200), (4, 16057600), (5, 12846080), (8, 8028800), (10, 6423040), (13, 4940800), (16, 4014400), (20, 3211520), (25, 2569216), (26, 2470400), (32, 2007200), (40, 1605760), (50, 1284608), (52, 1235200), (64, 1003600), (65, 988160), (80, 802880), (100, 642304), (104, 617600), (128, 501800), (130, 494080), (160, 401440), (193, 332800), (200, 321152), (208, 308800), (256, 250900), (260, 247040), (320, 200720), (325, 197632), (386, 166400), (400, 160576), (416, 154400), (512, 125450), (520, 123520), (640, 100360), (650, 98816), (772, 83200), (800, 80288), (832, 77200), (965, 66560), (1024, 62725), (1040, 61760), (1280, 50180), (1300, 49408), (1544, 41600), (1600, 40144), (1664, 38600), (1930, 33280), (2080, 30880), (2509, 25600), (2560, 25090), (2600, 24704), (3088, 20800), (3200, 20072), (3328, 19300), (3860, 16640), (4160, 15440), (4825, 13312), (5018, 12800), (5120, 12545), (5200, 12352), (6176, 10400), (6400, 10036), (6656, 9650), (7720, 8320)]