12998000

素因数分解:

$2^4\times 5^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 80

約数和(自身を含む): 32227104

約数和(自身を除く): 19229104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 97, 100, 125, 134, 194, 200, 250, 268, 335, 388, 400, 485, 500, 536, 670, 776, 970, 1000, 1072, 1340, 1552, 1675, 1940, 2000, 2425, 2680, 3350, 3880, 4850, 5360, 6499, 6700, 7760, 8375, 9700, 12125, 12998, 13400, 16750, 19400, 24250, 25996, 26800, 32495, 33500, 38800, 48500, 51992, 64990, 67000, 97000, 103984, 129980, 134000, 162475, 194000, 259960, 324950, 519920, 649900, 812375, 1299800, 1624750, 2599600, 3249500, 6499000, 12998000]

約数ペア:

[(1, 12998000), (2, 6499000), (4, 3249500), (5, 2599600), (8, 1624750), (10, 1299800), (16, 812375), (20, 649900), (25, 519920), (40, 324950), (50, 259960), (67, 194000), (80, 162475), (97, 134000), (100, 129980), (125, 103984), (134, 97000), (194, 67000), (200, 64990), (250, 51992), (268, 48500), (335, 38800), (388, 33500), (400, 32495), (485, 26800), (500, 25996), (536, 24250), (670, 19400), (776, 16750), (970, 13400), (1000, 12998), (1072, 12125), (1340, 9700), (1552, 8375), (1675, 7760), (1940, 6700), (2000, 6499), (2425, 5360), (2680, 4850), (3350, 3880)]