25173005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 14743795

約数列:

[1, 5, 11, 13, 17, 19, 55, 65, 85, 95, 109, 143, 187, 209, 221, 247, 323, 545, 715, 935, 1045, 1105, 1199, 1235, 1417, 1615, 1853, 2071, 2431, 2717, 3553, 4199, 5995, 7085, 9265, 10355, 12155, 13585, 15587, 17765, 20383, 20995, 22781, 24089, 26923, 35207, 46189, 77935, 101915, 113905, 120445, 134615, 176035, 230945, 264979, 296153, 387277, 457691, 1324895, 1480765, 1936385, 2288455, 5034601, 25173005]

約数ペア:

[(1, 25173005), (5, 5034601), (11, 2288455), (13, 1936385), (17, 1480765), (19, 1324895), (55, 457691), (65, 387277), (85, 296153), (95, 264979), (109, 230945), (143, 176035), (187, 134615), (209, 120445), (221, 113905), (247, 101915), (323, 77935), (545, 46189), (715, 35207), (935, 26923), (1045, 24089), (1105, 22781), (1199, 20995), (1235, 20383), (1417, 17765), (1615, 15587), (1853, 13585), (2071, 12155), (2431, 10355), (2717, 9265), (3553, 7085), (4199, 5995)]