19707200

素因数分解:

$2^6\times 5^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 84

約数和(自身を含む): 49369980

約数和(自身を除く): 29662780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 113, 160, 200, 218, 226, 320, 400, 436, 452, 545, 565, 800, 872, 904, 1090, 1130, 1600, 1744, 1808, 2180, 2260, 2725, 2825, 3488, 3616, 4360, 4520, 5450, 5650, 6976, 7232, 8720, 9040, 10900, 11300, 12317, 17440, 18080, 21800, 22600, 24634, 34880, 36160, 43600, 45200, 49268, 61585, 87200, 90400, 98536, 123170, 174400, 180800, 197072, 246340, 307925, 394144, 492680, 615850, 788288, 985360, 1231700, 1970720, 2463400, 3941440, 4926800, 9853600, 19707200]

約数ペア:

[(1, 19707200), (2, 9853600), (4, 4926800), (5, 3941440), (8, 2463400), (10, 1970720), (16, 1231700), (20, 985360), (25, 788288), (32, 615850), (40, 492680), (50, 394144), (64, 307925), (80, 246340), (100, 197072), (109, 180800), (113, 174400), (160, 123170), (200, 98536), (218, 90400), (226, 87200), (320, 61585), (400, 49268), (436, 45200), (452, 43600), (545, 36160), (565, 34880), (800, 24634), (872, 22600), (904, 21800), (1090, 18080), (1130, 17440), (1600, 12317), (1744, 11300), (1808, 10900), (2180, 9040), (2260, 8720), (2725, 7232), (2825, 6976), (3488, 5650), (3616, 5450), (4360, 4520)]