82689560

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2549}}^1$

素因数の和:3371

約数の個数: 32

約数和(自身を含む): 186354000

約数和(自身を除く): 103664440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2549, 3244, 4055, 5098, 6488, 8110, 10196, 12745, 16220, 20392, 25490, 32440, 50980, 101960, 2067239, 4134478, 8268956, 10336195, 16537912, 20672390, 41344780, 82689560]

約数ペア:

[(1, 82689560), (2, 41344780), (4, 20672390), (5, 16537912), (8, 10336195), (10, 8268956), (20, 4134478), (40, 2067239), (811, 101960), (1622, 50980), (2549, 32440), (3244, 25490), (4055, 20392), (5098, 16220), (6488, 12745), (8110, 10196)]