17810260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68501}}^1$

素因数の和:68523

約数の個数: 24

約数和(自身を含む): 40279176

約数和(自身を除く): 22468916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68501, 137002, 274004, 342505, 685010, 890513, 1370020, 1781026, 3562052, 4452565, 8905130, 17810260]

約数ペア:

[(1, 17810260), (2, 8905130), (4, 4452565), (5, 3562052), (10, 1781026), (13, 1370020), (20, 890513), (26, 685010), (52, 342505), (65, 274004), (130, 137002), (260, 68501)]