26478740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 31944940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 643, 710, 1286, 1420, 2059, 2572, 3215, 4118, 6430, 8236, 10295, 12860, 18647, 20590, 37294, 41180, 45653, 74588, 91306, 93235, 182612, 186470, 228265, 372940, 456530, 913060, 1323937, 2647874, 5295748, 6619685, 13239370, 26478740]

約数ペア:

[(1, 26478740), (2, 13239370), (4, 6619685), (5, 5295748), (10, 2647874), (20, 1323937), (29, 913060), (58, 456530), (71, 372940), (116, 228265), (142, 186470), (145, 182612), (284, 93235), (290, 91306), (355, 74588), (580, 45653), (643, 41180), (710, 37294), (1286, 20590), (1420, 18647), (2059, 12860), (2572, 10295), (3215, 8236), (4118, 6430)]