4021488640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2018

約数の個数: 176

約数和(自身を含む): 10729555200

約数和(自身を除く): 6708066560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1949, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3898, 3968, 4030, 4160, 4960, 5120, 6448, 6656, 7796, 7936, 8060, 8320, 9745, 9920, 12896, 13312, 15592, 15872, 16120, 16640, 19490, 19840, 25337, 25792, 31184, 31744, 32240, 33280, 38980, 39680, 50674, 51584, 60419, 62368, 64480, 66560, 77960, 79360, 101348, 103168, 120838, 124736, 126685, 128960, 155920, 158720, 202696, 206336, 241676, 249472, 253370, 257920, 302095, 311840, 405392, 412672, 483352, 498944, 506740, 515840, 604190, 623680, 785447, 810784, 966704, 997888, 1013480, 1031680, 1208380, 1247360, 1570894, 1621568, 1933408, 1995776, 2026960, 2063360, 2416760, 2494720, 3141788, 3243136, 3866816, 3927235, 4053920, 4833520, 4989440, 6283576, 6486272, 7733632, 7854470, 8107840, 9667040, 9978880, 12567152, 12972544, 15467264, 15708940, 16215680, 19334080, 25134304, 25945088, 30934528, 31417880, 32431360, 38668160, 50268608, 61869056, 62835760, 64862720, 77336320, 100537216, 125671520, 129725440, 154672640, 201074432, 251343040, 309345280, 402148864, 502686080, 804297728, 1005372160, 2010744320, 4021488640]

約数ペア:

[(1, 4021488640), (2, 2010744320), (4, 1005372160), (5, 804297728), (8, 502686080), (10, 402148864), (13, 309345280), (16, 251343040), (20, 201074432), (26, 154672640), (31, 129725440), (32, 125671520), (40, 100537216), (52, 77336320), (62, 64862720), (64, 62835760), (65, 61869056), (80, 50268608), (104, 38668160), (124, 32431360), (128, 31417880), (130, 30934528), (155, 25945088), (160, 25134304), (208, 19334080), (248, 16215680), (256, 15708940), (260, 15467264), (310, 12972544), (320, 12567152), (403, 9978880), (416, 9667040), (496, 8107840), (512, 7854470), (520, 7733632), (620, 6486272), (640, 6283576), (806, 4989440), (832, 4833520), (992, 4053920), (1024, 3927235), (1040, 3866816), (1240, 3243136), (1280, 3141788), (1612, 2494720), (1664, 2416760), (1949, 2063360), (1984, 2026960), (2015, 1995776), (2080, 1933408), (2480, 1621568), (2560, 1570894), (3224, 1247360), (3328, 1208380), (3898, 1031680), (3968, 1013480), (4030, 997888), (4160, 966704), (4960, 810784), (5120, 785447), (6448, 623680), (6656, 604190), (7796, 515840), (7936, 506740), (8060, 498944), (8320, 483352), (9745, 412672), (9920, 405392), (12896, 311840), (13312, 302095), (15592, 257920), (15872, 253370), (16120, 249472), (16640, 241676), (19490, 206336), (19840, 202696), (25337, 158720), (25792, 155920), (31184, 128960), (31744, 126685), (32240, 124736), (33280, 120838), (38980, 103168), (39680, 101348), (50674, 79360), (51584, 77960), (60419, 66560), (62368, 64480)]