51513200

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1554

約数の個数: 60

約数和(自身を含む): 125237520

約数和(自身を除く): 73724320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 712, 890, 1424, 1447, 1780, 2225, 2894, 3560, 4450, 5788, 7120, 7235, 8900, 11576, 14470, 17800, 23152, 28940, 35600, 36175, 57880, 72350, 115760, 128783, 144700, 257566, 289400, 515132, 578800, 643915, 1030264, 1287830, 2060528, 2575660, 3219575, 5151320, 6439150, 10302640, 12878300, 25756600, 51513200]

約数ペア:

[(1, 51513200), (2, 25756600), (4, 12878300), (5, 10302640), (8, 6439150), (10, 5151320), (16, 3219575), (20, 2575660), (25, 2060528), (40, 1287830), (50, 1030264), (80, 643915), (89, 578800), (100, 515132), (178, 289400), (200, 257566), (356, 144700), (400, 128783), (445, 115760), (712, 72350), (890, 57880), (1424, 36175), (1447, 35600), (1780, 28940), (2225, 23152), (2894, 17800), (3560, 14470), (4450, 11576), (5788, 8900), (7120, 7235)]