About the Number

131666080

131666079 ← → 131666081

2進数表記:111110110010001000010100000

漢数字表記:一億三千百六十六万六千八十

素因数分解:

2 5 × 5 1 × 7 1 × 13 1 × 9043 1

素因数の和:9078
約数の個数: 96
約数和(自身を含む): 382886784
約数和(自身を除く): 251220704

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 9043, 14560, 18086, 36172, 45215, 63301, 72344, 90430, 117559, 126602, 144688, 180860, 235118, 253204, 289376, 316505, 361720, 470236, 506408, 587795, 633010, 723440, 822913, 940472, 1012816, 1175590, 1266020, 1446880, 1645826, 1880944, 2025632, 2351180, 2532040, 3291652, 3761888, 4114565, 4702360, 5064080, 6583304, 8229130, 9404720, 10128160, 13166608, 16458260, 18809440, 26333216, 32916520, 65833040, 131666080]

約数ペア:
[(1, 131666080), (2, 65833040), (4, 32916520), (5, 26333216), (7, 18809440), (8, 16458260), (10, 13166608), (13, 10128160), (14, 9404720), (16, 8229130), (20, 6583304), (26, 5064080), (28, 4702360), (32, 4114565), (35, 3761888), (40, 3291652), (52, 2532040), (56, 2351180), (65, 2025632), (70, 1880944), (80, 1645826), (91, 1446880), (104, 1266020), (112, 1175590), (130, 1012816), (140, 940472), (160, 822913), (182, 723440), (208, 633010), (224, 587795), (260, 506408), (280, 470236), (364, 361720), (416, 316505), (455, 289376), (520, 253204), (560, 235118), (728, 180860), (910, 144688), (1040, 126602), (1120, 117559), (1456, 90430), (1820, 72344), (2080, 63301), (2912, 45215), (3640, 36172), (7280, 18086), (9043, 14560)]

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