About the Number

161004040

161004039 ← → 161004041

2進数表記:1001100110001011101000001000

漢数字表記:一億六千百万四千四十

素因数分解:

2 3 × 5 1 × 43 1 × 93607 1

素因数の和:93661
約数の個数: 32
約数和(自身を含む): 370687680
約数和(自身を除く): 209683640

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 93607, 187214, 374428, 468035, 748856, 936070, 1872140, 3744280, 4025101, 8050202, 16100404, 20125505, 32200808, 40251010, 80502020, 161004040]

約数ペア:
[(1, 161004040), (2, 80502020), (4, 40251010), (5, 32200808), (8, 20125505), (10, 16100404), (20, 8050202), (40, 4025101), (43, 3744280), (86, 1872140), (172, 936070), (215, 748856), (344, 468035), (430, 374428), (860, 187214), (1720, 93607)]

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