About the Number

12491840

12491839 ← → 12491841

2進数表記:101111101001110001000000

漢数字表記:千二百四十九万千八百四十

素因数分解:

2 6 × 5 1 × 103 1 × 379 1

素因数の和:499
約数の個数: 56
約数和(自身を含む): 30114240
約数和(自身を除く): 17622400

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 379, 412, 515, 758, 824, 1030, 1516, 1648, 1895, 2060, 3032, 3296, 3790, 4120, 6064, 6592, 7580, 8240, 12128, 15160, 16480, 24256, 30320, 32960, 39037, 60640, 78074, 121280, 156148, 195185, 312296, 390370, 624592, 780740, 1249184, 1561480, 2498368, 3122960, 6245920, 12491840]

約数ペア:
[(1, 12491840), (2, 6245920), (4, 3122960), (5, 2498368), (8, 1561480), (10, 1249184), (16, 780740), (20, 624592), (32, 390370), (40, 312296), (64, 195185), (80, 156148), (103, 121280), (160, 78074), (206, 60640), (320, 39037), (379, 32960), (412, 30320), (515, 24256), (758, 16480), (824, 15160), (1030, 12128), (1516, 8240), (1648, 7580), (1895, 6592), (2060, 6064), (3032, 4120), (3296, 3790)]

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