54386540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209179}}^1$

素因数の和:209201

約数の個数: 24

約数和(自身を含む): 122997840

約数和(自身を除く): 68611300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 209179, 418358, 836716, 1045895, 2091790, 2719327, 4183580, 5438654, 10877308, 13596635, 27193270, 54386540]

約数ペア:

[(1, 54386540), (2, 27193270), (4, 13596635), (5, 10877308), (10, 5438654), (13, 4183580), (20, 2719327), (26, 2091790), (52, 1045895), (65, 836716), (130, 418358), (260, 209179)]