82450000

素因数分解:

$2^4\times 5^5\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 213595704

約数和(自身を除く): 131145704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 97, 100, 125, 136, 170, 194, 200, 250, 272, 340, 388, 400, 425, 485, 500, 625, 680, 776, 850, 970, 1000, 1250, 1360, 1552, 1649, 1700, 1940, 2000, 2125, 2425, 2500, 3125, 3298, 3400, 3880, 4250, 4850, 5000, 6250, 6596, 6800, 7760, 8245, 8500, 9700, 10000, 10625, 12125, 12500, 13192, 16490, 17000, 19400, 21250, 24250, 25000, 26384, 32980, 34000, 38800, 41225, 42500, 48500, 50000, 53125, 60625, 65960, 82450, 85000, 97000, 106250, 121250, 131920, 164900, 170000, 194000, 206125, 212500, 242500, 303125, 329800, 412250, 425000, 485000, 606250, 659600, 824500, 850000, 970000, 1030625, 1212500, 1649000, 2061250, 2425000, 3298000, 4122500, 4850000, 5153125, 8245000, 10306250, 16490000, 20612500, 41225000, 82450000]

約数ペア:

[(1, 82450000), (2, 41225000), (4, 20612500), (5, 16490000), (8, 10306250), (10, 8245000), (16, 5153125), (17, 4850000), (20, 4122500), (25, 3298000), (34, 2425000), (40, 2061250), (50, 1649000), (68, 1212500), (80, 1030625), (85, 970000), (97, 850000), (100, 824500), (125, 659600), (136, 606250), (170, 485000), (194, 425000), (200, 412250), (250, 329800), (272, 303125), (340, 242500), (388, 212500), (400, 206125), (425, 194000), (485, 170000), (500, 164900), (625, 131920), (680, 121250), (776, 106250), (850, 97000), (970, 85000), (1000, 82450), (1250, 65960), (1360, 60625), (1552, 53125), (1649, 50000), (1700, 48500), (1940, 42500), (2000, 41225), (2125, 38800), (2425, 34000), (2500, 32980), (3125, 26384), (3298, 25000), (3400, 24250), (3880, 21250), (4250, 19400), (4850, 17000), (5000, 16490), (6250, 13192), (6596, 12500), (6800, 12125), (7760, 10625), (8245, 10000), (8500, 9700)]