168388540

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{11393}}^1$

素因数の和:12141

約数の個数: 24

約数和(自身を含む): 354125520

約数和(自身を除く): 185736980

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2956, 3695, 7390, 11393, 14780, 22786, 45572, 56965, 113930, 227860, 8419427, 16838854, 33677708, 42097135, 84194270, 168388540]

約数ペア:

[(1, 168388540), (2, 84194270), (4, 42097135), (5, 33677708), (10, 16838854), (20, 8419427), (739, 227860), (1478, 113930), (2956, 56965), (3695, 45572), (7390, 22786), (11393, 14780)]