8128660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 18289152

約数和(自身を除く): 10160492

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 431, 460, 820, 862, 943, 1724, 1886, 2155, 3772, 4310, 4715, 8620, 9430, 9913, 17671, 18860, 19826, 35342, 39652, 49565, 70684, 88355, 99130, 176710, 198260, 353420, 406433, 812866, 1625732, 2032165, 4064330, 8128660]

約数ペア:

[(1, 8128660), (2, 4064330), (4, 2032165), (5, 1625732), (10, 812866), (20, 406433), (23, 353420), (41, 198260), (46, 176710), (82, 99130), (92, 88355), (115, 70684), (164, 49565), (205, 39652), (230, 35342), (410, 19826), (431, 18860), (460, 17671), (820, 9913), (862, 9430), (943, 8620), (1724, 4715), (1886, 4310), (2155, 3772)]