16739840

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:539

約数の個数: 80

約数和(自身を含む): 43309728

約数和(自身を除く): 26569888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 503, 512, 520, 640, 832, 1006, 1040, 1280, 1664, 2012, 2080, 2515, 2560, 3328, 4024, 4160, 5030, 6539, 6656, 8048, 8320, 10060, 13078, 16096, 16640, 20120, 26156, 32192, 32695, 33280, 40240, 52312, 64384, 65390, 80480, 104624, 128768, 130780, 160960, 209248, 257536, 261560, 321920, 418496, 523120, 643840, 836992, 1046240, 1287680, 1673984, 2092480, 3347968, 4184960, 8369920, 16739840]

約数ペア:

[(1, 16739840), (2, 8369920), (4, 4184960), (5, 3347968), (8, 2092480), (10, 1673984), (13, 1287680), (16, 1046240), (20, 836992), (26, 643840), (32, 523120), (40, 418496), (52, 321920), (64, 261560), (65, 257536), (80, 209248), (104, 160960), (128, 130780), (130, 128768), (160, 104624), (208, 80480), (256, 65390), (260, 64384), (320, 52312), (416, 40240), (503, 33280), (512, 32695), (520, 32192), (640, 26156), (832, 20120), (1006, 16640), (1040, 16096), (1280, 13078), (1664, 10060), (2012, 8320), (2080, 8048), (2515, 6656), (2560, 6539), (3328, 5030), (4024, 4160)]