40144000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 108042480

約数和(自身を除く): 67898480

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, 260, 320, 325, 386, 400, 416, 500, 520, 640, 650, 772, 800, 832, 965, 1000, 1040, 1300, 1544, 1600, 1625, 1664, 1930, 2000, 2080, 2509, 2600, 3088, 3200, 3250, 3860, 4000, 4160, 4825, 5018, 5200, 6176, 6500, 7720, 8000, 8320, 9650, 10036, 10400, 12352, 12545, 13000, 15440, 16000, 19300, 20072, 20800, 24125, 24704, 25090, 26000, 30880, 38600, 40144, 41600, 48250, 50180, 52000, 61760, 62725, 77200, 80288, 96500, 100360, 104000, 123520, 125450, 154400, 160576, 193000, 200720, 208000, 250900, 308800, 313625, 321152, 386000, 401440, 501800, 617600, 627250, 772000, 802880, 1003600, 1254500, 1544000, 1605760, 2007200, 2509000, 3088000, 4014400, 5018000, 8028800, 10036000, 20072000, 40144000]

約数ペア:

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