81495040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1$

素因数の和:1483

約数の個数: 88

約数和(自身を含む): 213412032

約数和(自身を除く): 131916992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1447, 1760, 2560, 2816, 2894, 3520, 5120, 5632, 5788, 7040, 7235, 11264, 11576, 14080, 14470, 15917, 23152, 28160, 28940, 31834, 46304, 56320, 57880, 63668, 79585, 92608, 115760, 127336, 159170, 185216, 231520, 254672, 318340, 370432, 463040, 509344, 636680, 740864, 926080, 1018688, 1273360, 1481728, 1852160, 2037376, 2546720, 3704320, 4074752, 5093440, 7408640, 8149504, 10186880, 16299008, 20373760, 40747520, 81495040]

約数ペア:

[(1, 81495040), (2, 40747520), (4, 20373760), (5, 16299008), (8, 10186880), (10, 8149504), (11, 7408640), (16, 5093440), (20, 4074752), (22, 3704320), (32, 2546720), (40, 2037376), (44, 1852160), (55, 1481728), (64, 1273360), (80, 1018688), (88, 926080), (110, 740864), (128, 636680), (160, 509344), (176, 463040), (220, 370432), (256, 318340), (320, 254672), (352, 231520), (440, 185216), (512, 159170), (640, 127336), (704, 115760), (880, 92608), (1024, 79585), (1280, 63668), (1408, 57880), (1447, 56320), (1760, 46304), (2560, 31834), (2816, 28940), (2894, 28160), (3520, 23152), (5120, 15917), (5632, 14470), (5788, 14080), (7040, 11576), (7235, 11264)]