About the Number

81200392

81200391 ← → 81200393

2進数表記:100110101110000010100001000

漢数字表記:八千百二十万三百九十二

素因数分解:

2 3 × 7 1 × 13 1 × 111539 1

素因数の和:111565
約数の個数: 32
約数和(自身を含む): 187387200
約数和(自身を除く): 106186808

約数列:
[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 111539, 223078, 446156, 780773, 892312, 1450007, 1561546, 2900014, 3123092, 5800028, 6246184, 10150049, 11600056, 20300098, 40600196, 81200392]

約数ペア:
[(1, 81200392), (2, 40600196), (4, 20300098), (7, 11600056), (8, 10150049), (13, 6246184), (14, 5800028), (26, 3123092), (28, 2900014), (52, 1561546), (56, 1450007), (91, 892312), (104, 780773), (182, 446156), (364, 223078), (728, 111539)]

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