About the Number

2080475020

2080475019 ← → 2080475021

2進数表記:1111100000000011000011110001100

漢数字表記:二十億八千四十七万五千二十

素因数分解:

2 2 × 5 1 × 13 1 × 43 1 × 379 1 × 491 1

素因数の和:935
約数の個数: 96
約数和(自身を含む): 4837029120
約数和(自身を除く): 2756554100

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 379, 430, 491, 559, 758, 860, 982, 1118, 1516, 1895, 1964, 2236, 2455, 2795, 3790, 4910, 4927, 5590, 6383, 7580, 9820, 9854, 11180, 12766, 16297, 19708, 21113, 24635, 25532, 31915, 32594, 42226, 49270, 63830, 65188, 81485, 84452, 98540, 105565, 127660, 162970, 186089, 211130, 211861, 274469, 325940, 372178, 422260, 423722, 548938, 744356, 847444, 930445, 1059305, 1097876, 1372345, 1860890, 2118610, 2419157, 2744690, 3721780, 4237220, 4838314, 5489380, 8001827, 9676628, 12095785, 16003654, 24191570, 32007308, 40009135, 48383140, 80018270, 104023751, 160036540, 208047502, 416095004, 520118755, 1040237510, 2080475020]

約数ペア:
[(1, 2080475020), (2, 1040237510), (4, 520118755), (5, 416095004), (10, 208047502), (13, 160036540), (20, 104023751), (26, 80018270), (43, 48383140), (52, 40009135), (65, 32007308), (86, 24191570), (130, 16003654), (172, 12095785), (215, 9676628), (260, 8001827), (379, 5489380), (430, 4838314), (491, 4237220), (559, 3721780), (758, 2744690), (860, 2419157), (982, 2118610), (1118, 1860890), (1516, 1372345), (1895, 1097876), (1964, 1059305), (2236, 930445), (2455, 847444), (2795, 744356), (3790, 548938), (4910, 423722), (4927, 422260), (5590, 372178), (6383, 325940), (7580, 274469), (9820, 211861), (9854, 211130), (11180, 186089), (12766, 162970), (16297, 127660), (19708, 105565), (21113, 98540), (24635, 84452), (25532, 81485), (31915, 65188), (32594, 63830), (42226, 49270)]

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