16816540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64679}}^1$

素因数の和:64701

約数の個数: 24

約数和(自身を含む): 38031840

約数和(自身を除く): 21215300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64679, 129358, 258716, 323395, 646790, 840827, 1293580, 1681654, 3363308, 4204135, 8408270, 16816540]

約数ペア:

[(1, 16816540), (2, 8408270), (4, 4204135), (5, 3363308), (10, 1681654), (13, 1293580), (20, 840827), (26, 646790), (52, 323395), (65, 258716), (130, 129358), (260, 64679)]