515252020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{164093}}^1$

素因数の和:164259

約数の個数: 24

約数和(自身を含む): 1088927784

約数和(自身を除く): 573675764

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 164093, 328186, 656372, 820465, 1640930, 3281860, 25762601, 51525202, 103050404, 128813005, 257626010, 515252020]

約数ペア:

[(1, 515252020), (2, 257626010), (4, 128813005), (5, 103050404), (10, 51525202), (20, 25762601), (157, 3281860), (314, 1640930), (628, 820465), (785, 656372), (1570, 328186), (3140, 164093)]