51163840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 168

約数和(自身を含む): 153235152

約数和(自身を除く): 102071312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 251, 260, 280, 320, 364, 392, 416, 448, 455, 490, 502, 520, 560, 637, 728, 784, 832, 910, 980, 1004, 1040, 1120, 1255, 1274, 1456, 1568, 1757, 1820, 1960, 2008, 2080, 2240, 2510, 2548, 2912, 3136, 3185, 3263, 3514, 3640, 3920, 4016, 4160, 5020, 5096, 5824, 6370, 6526, 7028, 7280, 7840, 8032, 8785, 10040, 10192, 12299, 12740, 13052, 14056, 14560, 15680, 16064, 16315, 17570, 20080, 20384, 22841, 24598, 25480, 26104, 28112, 29120, 32630, 35140, 40160, 40768, 45682, 49196, 50960, 52208, 56224, 61495, 65260, 70280, 80320, 91364, 98392, 101920, 104416, 112448, 114205, 122990, 130520, 140560, 159887, 182728, 196784, 203840, 208832, 228410, 245980, 261040, 281120, 319774, 365456, 393568, 456820, 491960, 522080, 562240, 639548, 730912, 787136, 799435, 913640, 983920, 1044160, 1279096, 1461824, 1598870, 1827280, 1967840, 2558192, 3197740, 3654560, 3935680, 5116384, 6395480, 7309120, 10232768, 12790960, 25581920, 51163840]

約数ペア:

[(1, 51163840), (2, 25581920), (4, 12790960), (5, 10232768), (7, 7309120), (8, 6395480), (10, 5116384), (13, 3935680), (14, 3654560), (16, 3197740), (20, 2558192), (26, 1967840), (28, 1827280), (32, 1598870), (35, 1461824), (40, 1279096), (49, 1044160), (52, 983920), (56, 913640), (64, 799435), (65, 787136), (70, 730912), (80, 639548), (91, 562240), (98, 522080), (104, 491960), (112, 456820), (130, 393568), (140, 365456), (160, 319774), (182, 281120), (196, 261040), (208, 245980), (224, 228410), (245, 208832), (251, 203840), (260, 196784), (280, 182728), (320, 159887), (364, 140560), (392, 130520), (416, 122990), (448, 114205), (455, 112448), (490, 104416), (502, 101920), (520, 98392), (560, 91364), (637, 80320), (728, 70280), (784, 65260), (832, 61495), (910, 56224), (980, 52208), (1004, 50960), (1040, 49196), (1120, 45682), (1255, 40768), (1274, 40160), (1456, 35140), (1568, 32630), (1757, 29120), (1820, 28112), (1960, 26104), (2008, 25480), (2080, 24598), (2240, 22841), (2510, 20384), (2548, 20080), (2912, 17570), (3136, 16315), (3185, 16064), (3263, 15680), (3514, 14560), (3640, 14056), (3920, 13052), (4016, 12740), (4160, 12299), (5020, 10192), (5096, 10040), (5824, 8785), (6370, 8032), (6526, 7840), (7028, 7280)]