89123840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 132

約数和(自身を含む): 233751024

約数和(自身を除く): 144627184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 103, 104, 128, 130, 160, 169, 206, 208, 256, 260, 320, 338, 412, 416, 512, 515, 520, 640, 676, 824, 832, 845, 1024, 1030, 1040, 1280, 1339, 1352, 1648, 1664, 1690, 2060, 2080, 2560, 2678, 2704, 3296, 3328, 3380, 4120, 4160, 5120, 5356, 5408, 6592, 6656, 6695, 6760, 8240, 8320, 10712, 10816, 13184, 13312, 13390, 13520, 16480, 16640, 17407, 21424, 21632, 26368, 26780, 27040, 32960, 33280, 34814, 42848, 43264, 52736, 53560, 54080, 65920, 66560, 69628, 85696, 86528, 87035, 105472, 107120, 108160, 131840, 139256, 171392, 173056, 174070, 214240, 216320, 263680, 278512, 342784, 348140, 428480, 432640, 527360, 557024, 685568, 696280, 856960, 865280, 1114048, 1371136, 1392560, 1713920, 2228096, 2785120, 3427840, 4456192, 5570240, 6855680, 8912384, 11140480, 17824768, 22280960, 44561920, 89123840]

約数ペア:

[(1, 89123840), (2, 44561920), (4, 22280960), (5, 17824768), (8, 11140480), (10, 8912384), (13, 6855680), (16, 5570240), (20, 4456192), (26, 3427840), (32, 2785120), (40, 2228096), (52, 1713920), (64, 1392560), (65, 1371136), (80, 1114048), (103, 865280), (104, 856960), (128, 696280), (130, 685568), (160, 557024), (169, 527360), (206, 432640), (208, 428480), (256, 348140), (260, 342784), (320, 278512), (338, 263680), (412, 216320), (416, 214240), (512, 174070), (515, 173056), (520, 171392), (640, 139256), (676, 131840), (824, 108160), (832, 107120), (845, 105472), (1024, 87035), (1030, 86528), (1040, 85696), (1280, 69628), (1339, 66560), (1352, 65920), (1648, 54080), (1664, 53560), (1690, 52736), (2060, 43264), (2080, 42848), (2560, 34814), (2678, 33280), (2704, 32960), (3296, 27040), (3328, 26780), (3380, 26368), (4120, 21632), (4160, 21424), (5120, 17407), (5356, 16640), (5408, 16480), (6592, 13520), (6656, 13390), (6695, 13312), (6760, 13184), (8240, 10816), (8320, 10712)]