7717280

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 18416160

約数和(自身を除く): 10698880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 347, 556, 694, 695, 1112, 1388, 1390, 1735, 2224, 2776, 2780, 3470, 4448, 5552, 5560, 6940, 11104, 11120, 13880, 22240, 27760, 48233, 55520, 96466, 192932, 241165, 385864, 482330, 771728, 964660, 1543456, 1929320, 3858640, 7717280]

約数ペア:

[(1, 7717280), (2, 3858640), (4, 1929320), (5, 1543456), (8, 964660), (10, 771728), (16, 482330), (20, 385864), (32, 241165), (40, 192932), (80, 96466), (139, 55520), (160, 48233), (278, 27760), (347, 22240), (556, 13880), (694, 11120), (695, 11104), (1112, 6940), (1388, 5560), (1390, 5552), (1735, 4448), (2224, 3470), (2776, 2780)]