13032640

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:449

約数の個数: 56

約数和(自身を含む): 31363920

約数和(自身を除く): 18331280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 293, 320, 556, 586, 695, 1112, 1172, 1390, 1465, 2224, 2344, 2780, 2930, 4448, 4688, 5560, 5860, 8896, 9376, 11120, 11720, 18752, 22240, 23440, 40727, 44480, 46880, 81454, 93760, 162908, 203635, 325816, 407270, 651632, 814540, 1303264, 1629080, 2606528, 3258160, 6516320, 13032640]

約数ペア:

[(1, 13032640), (2, 6516320), (4, 3258160), (5, 2606528), (8, 1629080), (10, 1303264), (16, 814540), (20, 651632), (32, 407270), (40, 325816), (64, 203635), (80, 162908), (139, 93760), (160, 81454), (278, 46880), (293, 44480), (320, 40727), (556, 23440), (586, 22240), (695, 18752), (1112, 11720), (1172, 11120), (1390, 9376), (1465, 8896), (2224, 5860), (2344, 5560), (2780, 4688), (2930, 4448)]