26340004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 54726840

約数和(自身を除く): 28386836

約数列:

[1, 2, 4, 17, 19, 29, 34, 37, 38, 58, 68, 74, 76, 116, 148, 323, 361, 493, 551, 629, 646, 703, 722, 986, 1073, 1102, 1258, 1292, 1406, 1444, 1972, 2146, 2204, 2516, 2812, 4292, 6137, 9367, 10469, 11951, 12274, 13357, 18241, 18734, 20387, 20938, 23902, 24548, 26714, 36482, 37468, 40774, 41876, 47804, 53428, 72964, 81548, 177973, 227069, 346579, 355946, 387353, 454138, 693158, 711892, 774706, 908276, 1386316, 1549412, 6585001, 13170002, 26340004]

約数ペア:

[(1, 26340004), (2, 13170002), (4, 6585001), (17, 1549412), (19, 1386316), (29, 908276), (34, 774706), (37, 711892), (38, 693158), (58, 454138), (68, 387353), (74, 355946), (76, 346579), (116, 227069), (148, 177973), (323, 81548), (361, 72964), (493, 53428), (551, 47804), (629, 41876), (646, 40774), (703, 37468), (722, 36482), (986, 26714), (1073, 24548), (1102, 23902), (1258, 20938), (1292, 20387), (1406, 18734), (1444, 18241), (1972, 13357), (2146, 12274), (2204, 11951), (2516, 10469), (2812, 9367), (4292, 6137)]