258660320

素因数分解:

$2^5\times 5^1\times {\mathrm{1616627}}^1$

素因数の和:1616642

約数の個数: 24

約数和(自身を含む): 611085384

約数和(自身を除く): 352425064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1616627, 3233254, 6466508, 8083135, 12933016, 16166270, 25866032, 32332540, 51732064, 64665080, 129330160, 258660320]

約数ペア:

[(1, 258660320), (2, 129330160), (4, 64665080), (5, 51732064), (8, 32332540), (10, 25866032), (16, 16166270), (20, 12933016), (32, 8083135), (40, 6466508), (80, 3233254), (160, 1616627)]