26938940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{997}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 65053632

約数和(自身を除く): 38114692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 997, 1351, 1930, 1994, 2702, 3860, 3988, 4985, 5404, 6755, 6979, 9970, 13510, 13958, 19940, 27020, 27916, 34895, 69790, 139580, 192421, 384842, 769684, 962105, 1346947, 1924210, 2693894, 3848420, 5387788, 6734735, 13469470, 26938940]

約数ペア:

[(1, 26938940), (2, 13469470), (4, 6734735), (5, 5387788), (7, 3848420), (10, 2693894), (14, 1924210), (20, 1346947), (28, 962105), (35, 769684), (70, 384842), (140, 192421), (193, 139580), (386, 69790), (772, 34895), (965, 27916), (997, 27020), (1351, 19940), (1930, 13958), (1994, 13510), (2702, 9970), (3860, 6979), (3988, 6755), (4985, 5404)]