About the Number

140810020

140810019 ← → 140810021

2進数表記:1000011001001001011100100100

漢数字表記:一億四千八十一万二十

素因数分解:

2 2 × 5 1 × 13 1 × 541577 1

素因数の和:541599
約数の個数: 24
約数和(自身を含む): 318447864
約数和(自身を除く): 177637844

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541577, 1083154, 2166308, 2707885, 5415770, 7040501, 10831540, 14081002, 28162004, 35202505, 70405010, 140810020]

約数ペア:
[(1, 140810020), (2, 70405010), (4, 35202505), (5, 28162004), (10, 14081002), (13, 10831540), (20, 7040501), (26, 5415770), (52, 2707885), (65, 2166308), (130, 1083154), (260, 541577)]

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