83887840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 206569440

約数和(自身を除く): 122681600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 89, 137, 160, 172, 178, 215, 274, 344, 356, 430, 445, 548, 685, 688, 712, 860, 890, 1096, 1370, 1376, 1424, 1720, 1780, 2192, 2740, 2848, 3440, 3560, 3827, 4384, 5480, 5891, 6880, 7120, 7654, 10960, 11782, 12193, 14240, 15308, 19135, 21920, 23564, 24386, 29455, 30616, 38270, 47128, 48772, 58910, 60965, 61232, 76540, 94256, 97544, 117820, 121930, 122464, 153080, 188512, 195088, 235640, 243860, 306160, 390176, 471280, 487720, 524299, 612320, 942560, 975440, 1048598, 1950880, 2097196, 2621495, 4194392, 5242990, 8388784, 10485980, 16777568, 20971960, 41943920, 83887840]

約数ペア:

[(1, 83887840), (2, 41943920), (4, 20971960), (5, 16777568), (8, 10485980), (10, 8388784), (16, 5242990), (20, 4194392), (32, 2621495), (40, 2097196), (43, 1950880), (80, 1048598), (86, 975440), (89, 942560), (137, 612320), (160, 524299), (172, 487720), (178, 471280), (215, 390176), (274, 306160), (344, 243860), (356, 235640), (430, 195088), (445, 188512), (548, 153080), (685, 122464), (688, 121930), (712, 117820), (860, 97544), (890, 94256), (1096, 76540), (1370, 61232), (1376, 60965), (1424, 58910), (1720, 48772), (1780, 47128), (2192, 38270), (2740, 30616), (2848, 29455), (3440, 24386), (3560, 23564), (3827, 21920), (4384, 19135), (5480, 15308), (5891, 14240), (6880, 12193), (7120, 11782), (7654, 10960)]