80288000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 216508656

約数和(自身を除く): 136220656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 193, 200, 208, 250, 256, 260, 320, 325, 386, 400, 416, 500, 520, 640, 650, 772, 800, 832, 965, 1000, 1040, 1280, 1300, 1544, 1600, 1625, 1664, 1930, 2000, 2080, 2509, 2600, 3088, 3200, 3250, 3328, 3860, 4000, 4160, 4825, 5018, 5200, 6176, 6400, 6500, 7720, 8000, 8320, 9650, 10036, 10400, 12352, 12545, 13000, 15440, 16000, 16640, 19300, 20072, 20800, 24125, 24704, 25090, 26000, 30880, 32000, 38600, 40144, 41600, 48250, 49408, 50180, 52000, 61760, 62725, 77200, 80288, 83200, 96500, 100360, 104000, 123520, 125450, 154400, 160576, 193000, 200720, 208000, 247040, 250900, 308800, 313625, 321152, 386000, 401440, 416000, 501800, 617600, 627250, 642304, 772000, 802880, 1003600, 1235200, 1254500, 1544000, 1605760, 2007200, 2509000, 3088000, 3211520, 4014400, 5018000, 6176000, 8028800, 10036000, 16057600, 20072000, 40144000, 80288000]

約数ペア:

[(1, 80288000), (2, 40144000), (4, 20072000), (5, 16057600), (8, 10036000), (10, 8028800), (13, 6176000), (16, 5018000), (20, 4014400), (25, 3211520), (26, 3088000), (32, 2509000), (40, 2007200), (50, 1605760), (52, 1544000), (64, 1254500), (65, 1235200), (80, 1003600), (100, 802880), (104, 772000), (125, 642304), (128, 627250), (130, 617600), (160, 501800), (193, 416000), (200, 401440), (208, 386000), (250, 321152), (256, 313625), (260, 308800), (320, 250900), (325, 247040), (386, 208000), (400, 200720), (416, 193000), (500, 160576), (520, 154400), (640, 125450), (650, 123520), (772, 104000), (800, 100360), (832, 96500), (965, 83200), (1000, 80288), (1040, 77200), (1280, 62725), (1300, 61760), (1544, 52000), (1600, 50180), (1625, 49408), (1664, 48250), (1930, 41600), (2000, 40144), (2080, 38600), (2509, 32000), (2600, 30880), (3088, 26000), (3200, 25090), (3250, 24704), (3328, 24125), (3860, 20800), (4000, 20072), (4160, 19300), (4825, 16640), (5018, 16000), (5200, 15440), (6176, 13000), (6400, 12545), (6500, 12352), (7720, 10400), (8000, 10036), (8320, 9650)]