2562339920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{22993}}^1$

素因数の和:23212

約数の個数: 80

約数和(自身を含む): 6843014400

約数和(自身を除く): 4280674480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 796, 995, 1393, 1592, 1990, 2786, 3184, 3980, 5572, 6965, 7960, 11144, 13930, 15920, 22288, 22993, 27860, 45986, 55720, 91972, 111440, 114965, 160951, 183944, 229930, 321902, 367888, 459860, 643804, 804755, 919720, 1287608, 1609510, 1839440, 2575216, 3219020, 4575607, 6438040, 9151214, 12876080, 18302428, 22878035, 32029249, 36604856, 45756070, 64058498, 73209712, 91512140, 128116996, 160146245, 183024280, 256233992, 320292490, 366048560, 512467984, 640584980, 1281169960, 2562339920]

約数ペア:

[(1, 2562339920), (2, 1281169960), (4, 640584980), (5, 512467984), (7, 366048560), (8, 320292490), (10, 256233992), (14, 183024280), (16, 160146245), (20, 128116996), (28, 91512140), (35, 73209712), (40, 64058498), (56, 45756070), (70, 36604856), (80, 32029249), (112, 22878035), (140, 18302428), (199, 12876080), (280, 9151214), (398, 6438040), (560, 4575607), (796, 3219020), (995, 2575216), (1393, 1839440), (1592, 1609510), (1990, 1287608), (2786, 919720), (3184, 804755), (3980, 643804), (5572, 459860), (6965, 367888), (7960, 321902), (11144, 229930), (13930, 183944), (15920, 160951), (22288, 114965), (22993, 111440), (27860, 91972), (45986, 55720)]