8391520

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 20003760

約数和(自身を除く): 11612240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 293, 358, 586, 716, 895, 1172, 1432, 1465, 1790, 2344, 2864, 2930, 3580, 4688, 5728, 5860, 7160, 9376, 11720, 14320, 23440, 28640, 46880, 52447, 104894, 209788, 262235, 419576, 524470, 839152, 1048940, 1678304, 2097880, 4195760, 8391520]

約数ペア:

[(1, 8391520), (2, 4195760), (4, 2097880), (5, 1678304), (8, 1048940), (10, 839152), (16, 524470), (20, 419576), (32, 262235), (40, 209788), (80, 104894), (160, 52447), (179, 46880), (293, 28640), (358, 23440), (586, 14320), (716, 11720), (895, 9376), (1172, 7160), (1432, 5860), (1465, 5728), (1790, 4688), (2344, 3580), (2864, 2930)]