About the Number

2012123920

2012123919 ← → 2012123921

2進数表記:1110111111011101001001100010000

漢数字表記:二十億千二百十二万三千九百二十

素因数分解:

2 4 × 5 1 × 463 1 × 54323 1

素因数の和:54799
約数の個数: 40
約数和(自身を含む): 4688378496
約数和(自身を除く): 2676254576

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 18520, 37040, 54323, 108646, 217292, 271615, 434584, 543230, 869168, 1086460, 2172920, 4345840, 25151549, 50303098, 100606196, 125757745, 201212392, 251515490, 402424784, 503030980, 1006061960, 2012123920]

約数ペア:
[(1, 2012123920), (2, 1006061960), (4, 503030980), (5, 402424784), (8, 251515490), (10, 201212392), (16, 125757745), (20, 100606196), (40, 50303098), (80, 25151549), (463, 4345840), (926, 2172920), (1852, 1086460), (2315, 869168), (3704, 543230), (4630, 434584), (7408, 271615), (9260, 217292), (18520, 108646), (37040, 54323)]

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