About the Number

28024720

28024719 ← → 28024721

2進数表記:1101010111001111110010000

漢数字表記:二千八百二万四千七百二十

素因数分解:

2 4 × 5 1 × 137 1 × 2557 1

素因数の和:2707
約数の個数: 40
約数和(自身を含む): 65658744
約数和(自身を除く): 37634024

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2557, 2740, 5114, 5480, 10228, 10960, 12785, 20456, 25570, 40912, 51140, 102280, 204560, 350309, 700618, 1401236, 1751545, 2802472, 3503090, 5604944, 7006180, 14012360, 28024720]

約数ペア:
[(1, 28024720), (2, 14012360), (4, 7006180), (5, 5604944), (8, 3503090), (10, 2802472), (16, 1751545), (20, 1401236), (40, 700618), (80, 350309), (137, 204560), (274, 102280), (548, 51140), (685, 40912), (1096, 25570), (1370, 20456), (2192, 12785), (2557, 10960), (2740, 10228), (5114, 5480)]

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