39420160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 107138304

約数和(自身を除く): 67718144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 103, 104, 115, 128, 130, 160, 184, 206, 208, 230, 256, 260, 299, 320, 368, 412, 416, 460, 515, 520, 598, 640, 736, 824, 832, 920, 1030, 1040, 1196, 1280, 1339, 1472, 1495, 1648, 1664, 1840, 2060, 2080, 2369, 2392, 2678, 2944, 2990, 3296, 3328, 3680, 4120, 4160, 4738, 4784, 5356, 5888, 5980, 6592, 6695, 7360, 8240, 8320, 9476, 9568, 10712, 11845, 11960, 13184, 13390, 14720, 16480, 16640, 18952, 19136, 21424, 23690, 23920, 26368, 26780, 29440, 30797, 32960, 37904, 38272, 42848, 47380, 47840, 53560, 61594, 65920, 75808, 76544, 85696, 94760, 95680, 107120, 123188, 131840, 151616, 153985, 171392, 189520, 191360, 214240, 246376, 303232, 307970, 342784, 379040, 382720, 428480, 492752, 606464, 615940, 758080, 856960, 985504, 1231880, 1516160, 1713920, 1971008, 2463760, 3032320, 3942016, 4927520, 7884032, 9855040, 19710080, 39420160]

約数ペア:

[(1, 39420160), (2, 19710080), (4, 9855040), (5, 7884032), (8, 4927520), (10, 3942016), (13, 3032320), (16, 2463760), (20, 1971008), (23, 1713920), (26, 1516160), (32, 1231880), (40, 985504), (46, 856960), (52, 758080), (64, 615940), (65, 606464), (80, 492752), (92, 428480), (103, 382720), (104, 379040), (115, 342784), (128, 307970), (130, 303232), (160, 246376), (184, 214240), (206, 191360), (208, 189520), (230, 171392), (256, 153985), (260, 151616), (299, 131840), (320, 123188), (368, 107120), (412, 95680), (416, 94760), (460, 85696), (515, 76544), (520, 75808), (598, 65920), (640, 61594), (736, 53560), (824, 47840), (832, 47380), (920, 42848), (1030, 38272), (1040, 37904), (1196, 32960), (1280, 30797), (1339, 29440), (1472, 26780), (1495, 26368), (1648, 23920), (1664, 23690), (1840, 21424), (2060, 19136), (2080, 18952), (2369, 16640), (2392, 16480), (2678, 14720), (2944, 13390), (2990, 13184), (3296, 11960), (3328, 11845), (3680, 10712), (4120, 9568), (4160, 9476), (4738, 8320), (4784, 8240), (5356, 7360), (5888, 6695), (5980, 6592)]