13453480

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1061}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 30394440

約数和(自身を除く): 16940960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1061, 1268, 1585, 2122, 2536, 3170, 4244, 5305, 6340, 8488, 10610, 12680, 21220, 42440, 336337, 672674, 1345348, 1681685, 2690696, 3363370, 6726740, 13453480]

約数ペア:

[(1, 13453480), (2, 6726740), (4, 3363370), (5, 2690696), (8, 1681685), (10, 1345348), (20, 672674), (40, 336337), (317, 42440), (634, 21220), (1061, 12680), (1268, 10610), (1585, 8488), (2122, 6340), (2536, 5305), (3170, 4244)]