80936960

素因数分解:

$2^{16}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 136

約数和(自身を含む): 220199280

約数和(自身を除く): 139262320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 256, 260, 304, 320, 380, 416, 494, 512, 520, 608, 640, 760, 832, 988, 1024, 1040, 1216, 1235, 1280, 1520, 1664, 1976, 2048, 2080, 2432, 2470, 2560, 3040, 3328, 3952, 4096, 4160, 4864, 4940, 5120, 6080, 6656, 7904, 8192, 8320, 9728, 9880, 10240, 12160, 13312, 15808, 16384, 16640, 19456, 19760, 20480, 24320, 26624, 31616, 32768, 33280, 38912, 39520, 40960, 48640, 53248, 63232, 65536, 66560, 77824, 79040, 81920, 97280, 106496, 126464, 133120, 155648, 158080, 163840, 194560, 212992, 252928, 266240, 311296, 316160, 327680, 389120, 425984, 505856, 532480, 622592, 632320, 778240, 851968, 1011712, 1064960, 1245184, 1264640, 1556480, 2023424, 2129920, 2529280, 3112960, 4046848, 4259840, 5058560, 6225920, 8093696, 10117120, 16187392, 20234240, 40468480, 80936960]

約数ペア:

[(1, 80936960), (2, 40468480), (4, 20234240), (5, 16187392), (8, 10117120), (10, 8093696), (13, 6225920), (16, 5058560), (19, 4259840), (20, 4046848), (26, 3112960), (32, 2529280), (38, 2129920), (40, 2023424), (52, 1556480), (64, 1264640), (65, 1245184), (76, 1064960), (80, 1011712), (95, 851968), (104, 778240), (128, 632320), (130, 622592), (152, 532480), (160, 505856), (190, 425984), (208, 389120), (247, 327680), (256, 316160), (260, 311296), (304, 266240), (320, 252928), (380, 212992), (416, 194560), (494, 163840), (512, 158080), (520, 155648), (608, 133120), (640, 126464), (760, 106496), (832, 97280), (988, 81920), (1024, 79040), (1040, 77824), (1216, 66560), (1235, 65536), (1280, 63232), (1520, 53248), (1664, 48640), (1976, 40960), (2048, 39520), (2080, 38912), (2432, 33280), (2470, 32768), (2560, 31616), (3040, 26624), (3328, 24320), (3952, 20480), (4096, 19760), (4160, 19456), (4864, 16640), (4940, 16384), (5120, 15808), (6080, 13312), (6656, 12160), (7904, 10240), (8192, 9880), (8320, 9728)]