85722880

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 206991792

約数和(自身を除く): 121268912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 347, 386, 640, 694, 772, 965, 1280, 1388, 1544, 1735, 1930, 2776, 3088, 3470, 3860, 5552, 6176, 6940, 7720, 11104, 12352, 13880, 15440, 22208, 24704, 27760, 30880, 44416, 49408, 55520, 61760, 66971, 88832, 111040, 123520, 133942, 222080, 247040, 267884, 334855, 444160, 535768, 669710, 1071536, 1339420, 2143072, 2678840, 4286144, 5357680, 8572288, 10715360, 17144576, 21430720, 42861440, 85722880]

約数ペア:

[(1, 85722880), (2, 42861440), (4, 21430720), (5, 17144576), (8, 10715360), (10, 8572288), (16, 5357680), (20, 4286144), (32, 2678840), (40, 2143072), (64, 1339420), (80, 1071536), (128, 669710), (160, 535768), (193, 444160), (256, 334855), (320, 267884), (347, 247040), (386, 222080), (640, 133942), (694, 123520), (772, 111040), (965, 88832), (1280, 66971), (1388, 61760), (1544, 55520), (1735, 49408), (1930, 44416), (2776, 30880), (3088, 27760), (3470, 24704), (3860, 22208), (5552, 15440), (6176, 13880), (6940, 12352), (7720, 11104)]