About the Number

12461440

12461439 ← → 12461441

2進数表記:101111100010010110000000

漢数字表記:千二百四十六万千四百四十

素因数分解:

2 7 × 5 1 × 19471 1

素因数の和:19490
約数の個数: 32
約数和(自身を含む): 29792160
約数和(自身を除く): 17330720

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19471, 38942, 77884, 97355, 155768, 194710, 311536, 389420, 623072, 778840, 1246144, 1557680, 2492288, 3115360, 6230720, 12461440]

約数ペア:
[(1, 12461440), (2, 6230720), (4, 3115360), (5, 2492288), (8, 1557680), (10, 1246144), (16, 778840), (20, 623072), (32, 389420), (40, 311536), (64, 194710), (80, 155768), (128, 97355), (160, 77884), (320, 38942), (640, 19471)]

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