28470260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15643}}^1$

素因数の和:15672

約数の個数: 48

約数和(自身を含む): 73589376

約数和(自身を除く): 45119116

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15643, 31286, 62572, 78215, 109501, 156430, 203359, 219002, 312860, 406718, 438004, 547505, 813436, 1016795, 1095010, 1423513, 2033590, 2190020, 2847026, 4067180, 5694052, 7117565, 14235130, 28470260]

約数ペア:

[(1, 28470260), (2, 14235130), (4, 7117565), (5, 5694052), (7, 4067180), (10, 2847026), (13, 2190020), (14, 2033590), (20, 1423513), (26, 1095010), (28, 1016795), (35, 813436), (52, 547505), (65, 438004), (70, 406718), (91, 312860), (130, 219002), (140, 203359), (182, 156430), (260, 109501), (364, 78215), (455, 62572), (910, 31286), (1820, 15643)]