320219744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12619}}^1$

素因数の和:12703

約数の個数: 48

約数和(自身を含む): 690112080

約数和(自身を除く): 369892336

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1586, 1952, 3172, 6344, 12619, 12688, 25238, 25376, 50476, 100952, 164047, 201904, 328094, 403808, 656188, 769759, 1312376, 1539518, 2624752, 3079036, 5249504, 6158072, 10006867, 12316144, 20013734, 24632288, 40027468, 80054936, 160109872, 320219744]

約数ペア:

[(1, 320219744), (2, 160109872), (4, 80054936), (8, 40027468), (13, 24632288), (16, 20013734), (26, 12316144), (32, 10006867), (52, 6158072), (61, 5249504), (104, 3079036), (122, 2624752), (208, 1539518), (244, 1312376), (416, 769759), (488, 656188), (793, 403808), (976, 328094), (1586, 201904), (1952, 164047), (3172, 100952), (6344, 50476), (12619, 25376), (12688, 25238)]