27648140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2538

約数の個数: 48

約数和(自身を含む): 64007328

約数和(自身を除く): 36359188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2473, 2795, 4946, 5590, 9892, 11180, 12365, 24730, 32149, 49460, 64298, 106339, 128596, 160745, 212678, 321490, 425356, 531695, 642980, 1063390, 1382407, 2126780, 2764814, 5529628, 6912035, 13824070, 27648140]

約数ペア:

[(1, 27648140), (2, 13824070), (4, 6912035), (5, 5529628), (10, 2764814), (13, 2126780), (20, 1382407), (26, 1063390), (43, 642980), (52, 531695), (65, 425356), (86, 321490), (130, 212678), (172, 160745), (215, 128596), (260, 106339), (430, 64298), (559, 49460), (860, 32149), (1118, 24730), (2236, 12365), (2473, 11180), (2795, 9892), (4946, 5590)]