12185480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 28419660

約数和(自身を除く): 16234180

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 317, 620, 634, 961, 1240, 1268, 1585, 1922, 2536, 3170, 3844, 4805, 6340, 7688, 9610, 9827, 12680, 19220, 19654, 38440, 39308, 49135, 78616, 98270, 196540, 304637, 393080, 609274, 1218548, 1523185, 2437096, 3046370, 6092740, 12185480]

約数ペア:

[(1, 12185480), (2, 6092740), (4, 3046370), (5, 2437096), (8, 1523185), (10, 1218548), (20, 609274), (31, 393080), (40, 304637), (62, 196540), (124, 98270), (155, 78616), (248, 49135), (310, 39308), (317, 38440), (620, 19654), (634, 19220), (961, 12680), (1240, 9827), (1268, 9610), (1585, 7688), (1922, 6340), (2536, 4805), (3170, 3844)]