About the Number

27985920

27985919 ← → 27985921

2進数表記:1101010110000100000000000

漢数字表記:二千七百九十八万五千九百二十

素因数分解:

2 11 × 3 1 × 5 1 × 911 1

素因数の和:941
約数の個数: 96
約数和(自身を含む): 89631360
約数和(自身を除く): 61645440

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 911, 960, 1024, 1280, 1536, 1822, 1920, 2048, 2560, 2733, 3072, 3644, 3840, 4555, 5120, 5466, 6144, 7288, 7680, 9110, 10240, 10932, 13665, 14576, 15360, 18220, 21864, 27330, 29152, 30720, 36440, 43728, 54660, 58304, 72880, 87456, 109320, 116608, 145760, 174912, 218640, 233216, 291520, 349824, 437280, 466432, 583040, 699648, 874560, 932864, 1166080, 1399296, 1749120, 1865728, 2332160, 2798592, 3498240, 4664320, 5597184, 6996480, 9328640, 13992960, 27985920]

約数ペア:
[(1, 27985920), (2, 13992960), (3, 9328640), (4, 6996480), (5, 5597184), (6, 4664320), (8, 3498240), (10, 2798592), (12, 2332160), (15, 1865728), (16, 1749120), (20, 1399296), (24, 1166080), (30, 932864), (32, 874560), (40, 699648), (48, 583040), (60, 466432), (64, 437280), (80, 349824), (96, 291520), (120, 233216), (128, 218640), (160, 174912), (192, 145760), (240, 116608), (256, 109320), (320, 87456), (384, 72880), (480, 58304), (512, 54660), (640, 43728), (768, 36440), (911, 30720), (960, 29152), (1024, 27330), (1280, 21864), (1536, 18220), (1822, 15360), (1920, 14576), (2048, 13665), (2560, 10932), (2733, 10240), (3072, 9110), (3644, 7680), (3840, 7288), (4555, 6144), (5120, 5466)]

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