40640487680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{19231}}^1$

素因数の和:19392

約数の個数: 144

約数和(自身を含む): 105665839104

約数和(自身を除く): 65025351424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 256, 260, 320, 416, 508, 520, 635, 640, 832, 1016, 1040, 1270, 1280, 1651, 1664, 2032, 2080, 2540, 3302, 3328, 4064, 4160, 5080, 6604, 8128, 8255, 8320, 10160, 13208, 16256, 16510, 16640, 19231, 20320, 26416, 32512, 33020, 38462, 40640, 52832, 66040, 76924, 81280, 96155, 105664, 132080, 153848, 162560, 192310, 211328, 250003, 264160, 307696, 384620, 422656, 500006, 528320, 615392, 769240, 1000012, 1056640, 1230784, 1250015, 1538480, 2000024, 2113280, 2442337, 2461568, 2500030, 3076960, 4000048, 4884674, 4923136, 5000060, 6153920, 8000096, 9769348, 10000120, 12211685, 12307840, 16000192, 19538696, 20000240, 24423370, 24615680, 31750381, 32000384, 39077392, 40000480, 48846740, 63500762, 64000768, 78154784, 80000960, 97693480, 127001524, 156309568, 158751905, 160001920, 195386960, 254003048, 312619136, 317503810, 320003840, 390773920, 508006096, 625238272, 635007620, 781547840, 1016012192, 1270015240, 1563095680, 2032024384, 2540030480, 3126191360, 4064048768, 5080060960, 8128097536, 10160121920, 20320243840, 40640487680]

約数ペア:

[(1, 40640487680), (2, 20320243840), (4, 10160121920), (5, 8128097536), (8, 5080060960), (10, 4064048768), (13, 3126191360), (16, 2540030480), (20, 2032024384), (26, 1563095680), (32, 1270015240), (40, 1016012192), (52, 781547840), (64, 635007620), (65, 625238272), (80, 508006096), (104, 390773920), (127, 320003840), (128, 317503810), (130, 312619136), (160, 254003048), (208, 195386960), (254, 160001920), (256, 158751905), (260, 156309568), (320, 127001524), (416, 97693480), (508, 80000960), (520, 78154784), (635, 64000768), (640, 63500762), (832, 48846740), (1016, 40000480), (1040, 39077392), (1270, 32000384), (1280, 31750381), (1651, 24615680), (1664, 24423370), (2032, 20000240), (2080, 19538696), (2540, 16000192), (3302, 12307840), (3328, 12211685), (4064, 10000120), (4160, 9769348), (5080, 8000096), (6604, 6153920), (8128, 5000060), (8255, 4923136), (8320, 4884674), (10160, 4000048), (13208, 3076960), (16256, 2500030), (16510, 2461568), (16640, 2442337), (19231, 2113280), (20320, 2000024), (26416, 1538480), (32512, 1250015), (33020, 1230784), (38462, 1056640), (40640, 1000012), (52832, 769240), (66040, 615392), (76924, 528320), (81280, 500006), (96155, 422656), (105664, 384620), (132080, 307696), (153848, 264160), (162560, 250003), (192310, 211328)]