About the Number

12789025520

12789025519 ← → 12789025521

2進数表記:1011111010010010010000101011110000

漢数字表記:百二十七億八千九百二万五千五百二十

素因数分解:

2 4 × 5 1 × 29 1 × 71 1 × 77641 1

素因数の和:77754
約数の個数: 80
約数和(自身を含む): 31193449920
約数和(自身を除く): 18404424400

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 232, 284, 290, 355, 464, 568, 580, 710, 1136, 1160, 1420, 2059, 2320, 2840, 4118, 5680, 8236, 10295, 16472, 20590, 32944, 41180, 77641, 82360, 155282, 164720, 310564, 388205, 621128, 776410, 1242256, 1552820, 2251589, 3105640, 4503178, 5512511, 6211280, 9006356, 11025022, 11257945, 18012712, 22050044, 22515890, 27562555, 36025424, 44100088, 45031780, 55125110, 88200176, 90063560, 110250220, 159862819, 180127120, 220500440, 319725638, 441000880, 639451276, 799314095, 1278902552, 1598628190, 2557805104, 3197256380, 6394512760, 12789025520]

約数ペア:
[(1, 12789025520), (2, 6394512760), (4, 3197256380), (5, 2557805104), (8, 1598628190), (10, 1278902552), (16, 799314095), (20, 639451276), (29, 441000880), (40, 319725638), (58, 220500440), (71, 180127120), (80, 159862819), (116, 110250220), (142, 90063560), (145, 88200176), (232, 55125110), (284, 45031780), (290, 44100088), (355, 36025424), (464, 27562555), (568, 22515890), (580, 22050044), (710, 18012712), (1136, 11257945), (1160, 11025022), (1420, 9006356), (2059, 6211280), (2320, 5512511), (2840, 4503178), (4118, 3105640), (5680, 2251589), (8236, 1552820), (10295, 1242256), (16472, 776410), (20590, 621128), (32944, 388205), (41180, 310564), (77641, 164720), (82360, 155282)]

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