About the Number

20123021440

20123021439 ← → 20123021441

2進数表記:10010101111011011001111000010000000

漢数字表記:二百一億二千三百二万千四百四十

素因数分解:

2 7 × 5 1 × 59 1 × 532919 1

素因数の和:532997
約数の個数: 64
約数和(自身を含む): 48922056000
約数和(自身を除く): 28799034560

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 944, 1180, 1888, 2360, 3776, 4720, 7552, 9440, 18880, 37760, 532919, 1065838, 2131676, 2664595, 4263352, 5329190, 8526704, 10658380, 17053408, 21316760, 31442221, 34106816, 42633520, 62884442, 68213632, 85267040, 125768884, 157211105, 170534080, 251537768, 314422210, 341068160, 503075536, 628844420, 1006151072, 1257688840, 2012302144, 2515377680, 4024604288, 5030755360, 10061510720, 20123021440]

約数ペア:
[(1, 20123021440), (2, 10061510720), (4, 5030755360), (5, 4024604288), (8, 2515377680), (10, 2012302144), (16, 1257688840), (20, 1006151072), (32, 628844420), (40, 503075536), (59, 341068160), (64, 314422210), (80, 251537768), (118, 170534080), (128, 157211105), (160, 125768884), (236, 85267040), (295, 68213632), (320, 62884442), (472, 42633520), (590, 34106816), (640, 31442221), (944, 21316760), (1180, 17053408), (1888, 10658380), (2360, 8526704), (3776, 5329190), (4720, 4263352), (7552, 2664595), (9440, 2131676), (18880, 1065838), (37760, 532919)]

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