About the Number

13311940

13311939 ← → 13311941

2進数表記:110010110001111111000100

漢数字表記:千三百三十一万千九百四十

素因数分解:

2 2 × 5 1 × 23 1 × 43 1 × 673 1

素因数の和:748
約数の個数: 48
約数和(自身を含む): 29893248
約数和(自身を除く): 16581308

約数列:
[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 673, 860, 989, 1346, 1978, 2692, 3365, 3956, 4945, 6730, 9890, 13460, 15479, 19780, 28939, 30958, 57878, 61916, 77395, 115756, 144695, 154790, 289390, 309580, 578780, 665597, 1331194, 2662388, 3327985, 6655970, 13311940]

約数ペア:
[(1, 13311940), (2, 6655970), (4, 3327985), (5, 2662388), (10, 1331194), (20, 665597), (23, 578780), (43, 309580), (46, 289390), (86, 154790), (92, 144695), (115, 115756), (172, 77395), (215, 61916), (230, 57878), (430, 30958), (460, 28939), (673, 19780), (860, 15479), (989, 13460), (1346, 9890), (1978, 6730), (2692, 4945), (3365, 3956)]

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