54287740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208799}}^1$

素因数の和:208821

約数の個数: 24

約数和(自身を含む): 122774400

約数和(自身を除く): 68486660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 208799, 417598, 835196, 1043995, 2087990, 2714387, 4175980, 5428774, 10857548, 13571935, 27143870, 54287740]

約数ペア:

[(1, 54287740), (2, 27143870), (4, 13571935), (5, 10857548), (10, 5428774), (13, 4175980), (20, 2714387), (26, 2087990), (52, 1043995), (65, 835196), (130, 417598), (260, 208799)]