64565140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 143039232

約数和(自身を除く): 78474092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1447, 1940, 2231, 2894, 4462, 5788, 7235, 8924, 11155, 14470, 22310, 28940, 33281, 44620, 66562, 133124, 140359, 166405, 280718, 332810, 561436, 665620, 701795, 1403590, 2807180, 3228257, 6456514, 12913028, 16141285, 32282570, 64565140]

約数ペア:

[(1, 64565140), (2, 32282570), (4, 16141285), (5, 12913028), (10, 6456514), (20, 3228257), (23, 2807180), (46, 1403590), (92, 701795), (97, 665620), (115, 561436), (194, 332810), (230, 280718), (388, 166405), (460, 140359), (485, 133124), (970, 66562), (1447, 44620), (1940, 33281), (2231, 28940), (2894, 22310), (4462, 14470), (5788, 11155), (7235, 8924)]