19450880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 88

約数和(自身を含む): 48636720

約数和(自身を除く): 29185840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 131, 145, 160, 232, 256, 262, 290, 320, 464, 512, 524, 580, 640, 655, 928, 1024, 1048, 1160, 1280, 1310, 1856, 2096, 2320, 2560, 2620, 3712, 3799, 4192, 4640, 5120, 5240, 7424, 7598, 8384, 9280, 10480, 14848, 15196, 16768, 18560, 18995, 20960, 29696, 30392, 33536, 37120, 37990, 41920, 60784, 67072, 74240, 75980, 83840, 121568, 134144, 148480, 151960, 167680, 243136, 303920, 335360, 486272, 607840, 670720, 972544, 1215680, 1945088, 2431360, 3890176, 4862720, 9725440, 19450880]

約数ペア:

[(1, 19450880), (2, 9725440), (4, 4862720), (5, 3890176), (8, 2431360), (10, 1945088), (16, 1215680), (20, 972544), (29, 670720), (32, 607840), (40, 486272), (58, 335360), (64, 303920), (80, 243136), (116, 167680), (128, 151960), (131, 148480), (145, 134144), (160, 121568), (232, 83840), (256, 75980), (262, 74240), (290, 67072), (320, 60784), (464, 41920), (512, 37990), (524, 37120), (580, 33536), (640, 30392), (655, 29696), (928, 20960), (1024, 18995), (1048, 18560), (1160, 16768), (1280, 15196), (1310, 14848), (1856, 10480), (2096, 9280), (2320, 8384), (2560, 7598), (2620, 7424), (3712, 5240), (3799, 5120), (4192, 4640)]