About the Number

87130240

87130239 ← → 87130241

2進数表記:101001100011000000010000000

漢数字表記:八千七百十三万二百四十

素因数分解:

2 7 × 5 1 × 109 1 × 1249 1

素因数の和:1377
約数の個数: 64
約数和(自身を含む): 210375000
約数和(自身を除く): 123244760

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1249, 1744, 2180, 2498, 3488, 4360, 4996, 6245, 6976, 8720, 9992, 12490, 13952, 17440, 19984, 24980, 34880, 39968, 49960, 69760, 79936, 99920, 136141, 159872, 199840, 272282, 399680, 544564, 680705, 799360, 1089128, 1361410, 2178256, 2722820, 4356512, 5445640, 8713024, 10891280, 17426048, 21782560, 43565120, 87130240]

約数ペア:
[(1, 87130240), (2, 43565120), (4, 21782560), (5, 17426048), (8, 10891280), (10, 8713024), (16, 5445640), (20, 4356512), (32, 2722820), (40, 2178256), (64, 1361410), (80, 1089128), (109, 799360), (128, 680705), (160, 544564), (218, 399680), (320, 272282), (436, 199840), (545, 159872), (640, 136141), (872, 99920), (1090, 79936), (1249, 69760), (1744, 49960), (2180, 39968), (2498, 34880), (3488, 24980), (4360, 19984), (4996, 17440), (6245, 13952), (6976, 12490), (8720, 9992)]

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