About the Number

12528490

12528489 ← → 12528491

2進数表記:101111110010101101101010

漢数字表記:千二百五十二万八千四百九十

素因数分解:

2 1 × 5 1 × 13 1 × 17 1 × 5669 1

素因数の和:5706
約数の個数: 32
約数和(自身を含む): 25719120
約数和(自身を除く): 13190630

約数列:
[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 5669, 11338, 28345, 56690, 73697, 96373, 147394, 192746, 368485, 481865, 736970, 963730, 1252849, 2505698, 6264245, 12528490]

約数ペア:
[(1, 12528490), (2, 6264245), (5, 2505698), (10, 1252849), (13, 963730), (17, 736970), (26, 481865), (34, 368485), (65, 192746), (85, 147394), (130, 96373), (170, 73697), (221, 56690), (442, 28345), (1105, 11338), (2210, 5669)]

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