8478260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2633}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 21240576

約数和(自身を除く): 12762316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2633, 3220, 5266, 10532, 13165, 18431, 26330, 36862, 52660, 60559, 73724, 92155, 121118, 184310, 242236, 302795, 368620, 423913, 605590, 847826, 1211180, 1695652, 2119565, 4239130, 8478260]

約数ペア:

[(1, 8478260), (2, 4239130), (4, 2119565), (5, 1695652), (7, 1211180), (10, 847826), (14, 605590), (20, 423913), (23, 368620), (28, 302795), (35, 242236), (46, 184310), (70, 121118), (92, 92155), (115, 73724), (140, 60559), (161, 52660), (230, 36862), (322, 26330), (460, 18431), (644, 13165), (805, 10532), (1610, 5266), (2633, 3220)]