About the Number

131080

131079 ← → 131081

2進数表記:100000000000001000

漢数字表記:十三万千八十

素因数分解:

2 3 × 5 1 × 29 1 × 113 1

素因数の和:153
約数の個数: 32
約数和(自身を含む): 307800
約数和(自身を除く): 176720

約数列:
[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 113, 116, 145, 226, 232, 290, 452, 565, 580, 904, 1130, 1160, 2260, 3277, 4520, 6554, 13108, 16385, 26216, 32770, 65540, 131080]

約数ペア:
[(1, 131080), (2, 65540), (4, 32770), (5, 26216), (8, 16385), (10, 13108), (20, 6554), (29, 4520), (40, 3277), (58, 2260), (113, 1160), (116, 1130), (145, 904), (226, 580), (232, 565), (290, 452)]

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