40177280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:482

約数の個数: 128

約数和(自身を含む): 113097600

約数和(自身を除く): 72920320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 439, 440, 520, 572, 640, 704, 715, 832, 878, 880, 1040, 1144, 1408, 1430, 1664, 1756, 1760, 2080, 2195, 2288, 2860, 3512, 3520, 4160, 4390, 4576, 4829, 5707, 5720, 7024, 7040, 8320, 8780, 9152, 9658, 11414, 11440, 14048, 17560, 18304, 19316, 22828, 22880, 24145, 28096, 28535, 35120, 38632, 45656, 45760, 48290, 56192, 57070, 62777, 70240, 77264, 91312, 91520, 96580, 114140, 125554, 140480, 154528, 182624, 193160, 228280, 251108, 280960, 309056, 313885, 365248, 386320, 456560, 502216, 618112, 627770, 730496, 772640, 913120, 1004432, 1255540, 1545280, 1826240, 2008864, 2511080, 3090560, 3652480, 4017728, 5022160, 8035456, 10044320, 20088640, 40177280]

約数ペア:

[(1, 40177280), (2, 20088640), (4, 10044320), (5, 8035456), (8, 5022160), (10, 4017728), (11, 3652480), (13, 3090560), (16, 2511080), (20, 2008864), (22, 1826240), (26, 1545280), (32, 1255540), (40, 1004432), (44, 913120), (52, 772640), (55, 730496), (64, 627770), (65, 618112), (80, 502216), (88, 456560), (104, 386320), (110, 365248), (128, 313885), (130, 309056), (143, 280960), (160, 251108), (176, 228280), (208, 193160), (220, 182624), (260, 154528), (286, 140480), (320, 125554), (352, 114140), (416, 96580), (439, 91520), (440, 91312), (520, 77264), (572, 70240), (640, 62777), (704, 57070), (715, 56192), (832, 48290), (878, 45760), (880, 45656), (1040, 38632), (1144, 35120), (1408, 28535), (1430, 28096), (1664, 24145), (1756, 22880), (1760, 22828), (2080, 19316), (2195, 18304), (2288, 17560), (2860, 14048), (3512, 11440), (3520, 11414), (4160, 9658), (4390, 9152), (4576, 8780), (4829, 8320), (5707, 7040), (5720, 7024)]