About the Number

87040

87039 ← → 87041

2進数表記:10101010000000000

漢数字表記:八万七千四十

素因数分解:

2 10 × 5 1 × 17 1

素因数の和:42
約数の個数: 44
約数和(自身を含む): 221076
約数和(自身を除く): 134036

約数列:
[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5120, 5440, 8704, 10880, 17408, 21760, 43520, 87040]

約数ペア:
[(1, 87040), (2, 43520), (4, 21760), (5, 17408), (8, 10880), (10, 8704), (16, 5440), (17, 5120), (20, 4352), (32, 2720), (34, 2560), (40, 2176), (64, 1360), (68, 1280), (80, 1088), (85, 1024), (128, 680), (136, 640), (160, 544), (170, 512), (256, 340), (272, 320)]

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