About the Number

11381240

11381239 ← → 11381241

2進数表記:101011011010100111111000

漢数字表記:千百三十八万千二百四十

素因数分解:

2 3 × 5 1 × 13 1 × 43 1 × 509 1

素因数の和:576
約数の個数: 64
約数和(自身を含む): 28274400
約数和(自身を除く): 16893160

約数列:
[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 509, 520, 559, 860, 1018, 1118, 1720, 2036, 2236, 2545, 2795, 4072, 4472, 5090, 5590, 6617, 10180, 11180, 13234, 20360, 21887, 22360, 26468, 33085, 43774, 52936, 66170, 87548, 109435, 132340, 175096, 218870, 264680, 284531, 437740, 569062, 875480, 1138124, 1422655, 2276248, 2845310, 5690620, 11381240]

約数ペア:
[(1, 11381240), (2, 5690620), (4, 2845310), (5, 2276248), (8, 1422655), (10, 1138124), (13, 875480), (20, 569062), (26, 437740), (40, 284531), (43, 264680), (52, 218870), (65, 175096), (86, 132340), (104, 109435), (130, 87548), (172, 66170), (215, 52936), (260, 43774), (344, 33085), (430, 26468), (509, 22360), (520, 21887), (559, 20360), (860, 13234), (1018, 11180), (1118, 10180), (1720, 6617), (2036, 5590), (2236, 5090), (2545, 4472), (2795, 4072)]

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