About the Number

80666740

80666739 ← → 80666741

2進数表記:100110011101110000001110100

漢数字表記:八千六十六万六千七百四十

素因数分解:

2 2 × 5 1 × 7 3 × 11 1 × 1069 1

素因数の和:1110
約数の個数: 96
約数和(自身を含む): 215712000
約数和(自身を除く): 135045260

約数列:
[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 490, 539, 686, 770, 980, 1069, 1078, 1372, 1540, 1715, 2138, 2156, 2695, 3430, 3773, 4276, 5345, 5390, 6860, 7483, 7546, 10690, 10780, 11759, 14966, 15092, 18865, 21380, 23518, 29932, 37415, 37730, 47036, 52381, 58795, 74830, 75460, 82313, 104762, 117590, 149660, 164626, 209524, 235180, 261905, 329252, 366667, 411565, 523810, 576191, 733334, 823130, 1047620, 1152382, 1466668, 1646260, 1833335, 2304764, 2880955, 3666670, 4033337, 5761910, 7333340, 8066674, 11523820, 16133348, 20166685, 40333370, 80666740]

約数ペア:
[(1, 80666740), (2, 40333370), (4, 20166685), (5, 16133348), (7, 11523820), (10, 8066674), (11, 7333340), (14, 5761910), (20, 4033337), (22, 3666670), (28, 2880955), (35, 2304764), (44, 1833335), (49, 1646260), (55, 1466668), (70, 1152382), (77, 1047620), (98, 823130), (110, 733334), (140, 576191), (154, 523810), (196, 411565), (220, 366667), (245, 329252), (308, 261905), (343, 235180), (385, 209524), (490, 164626), (539, 149660), (686, 117590), (770, 104762), (980, 82313), (1069, 75460), (1078, 74830), (1372, 58795), (1540, 52381), (1715, 47036), (2138, 37730), (2156, 37415), (2695, 29932), (3430, 23518), (3773, 21380), (4276, 18865), (5345, 15092), (5390, 14966), (6860, 11759), (7483, 10780), (7546, 10690)]

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