205232000

素因数分解:

$2^7\times 5^3\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 519367680

約数和(自身を除く): 314135680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 125, 127, 128, 160, 200, 202, 250, 254, 320, 400, 404, 500, 505, 508, 635, 640, 800, 808, 1000, 1010, 1016, 1270, 1600, 1616, 2000, 2020, 2032, 2525, 2540, 3175, 3200, 3232, 4000, 4040, 4064, 5050, 5080, 6350, 6464, 8000, 8080, 8128, 10100, 10160, 12625, 12700, 12827, 12928, 15875, 16000, 16160, 16256, 20200, 20320, 25250, 25400, 25654, 31750, 32320, 40400, 40640, 50500, 50800, 51308, 63500, 64135, 64640, 80800, 81280, 101000, 101600, 102616, 127000, 128270, 161600, 202000, 203200, 205232, 254000, 256540, 320675, 323200, 404000, 406400, 410464, 508000, 513080, 641350, 808000, 820928, 1016000, 1026160, 1282700, 1603375, 1616000, 1641856, 2032000, 2052320, 2565400, 3206750, 4104640, 5130800, 6413500, 8209280, 10261600, 12827000, 20523200, 25654000, 41046400, 51308000, 102616000, 205232000]

約数ペア:

[(1, 205232000), (2, 102616000), (4, 51308000), (5, 41046400), (8, 25654000), (10, 20523200), (16, 12827000), (20, 10261600), (25, 8209280), (32, 6413500), (40, 5130800), (50, 4104640), (64, 3206750), (80, 2565400), (100, 2052320), (101, 2032000), (125, 1641856), (127, 1616000), (128, 1603375), (160, 1282700), (200, 1026160), (202, 1016000), (250, 820928), (254, 808000), (320, 641350), (400, 513080), (404, 508000), (500, 410464), (505, 406400), (508, 404000), (635, 323200), (640, 320675), (800, 256540), (808, 254000), (1000, 205232), (1010, 203200), (1016, 202000), (1270, 161600), (1600, 128270), (1616, 127000), (2000, 102616), (2020, 101600), (2032, 101000), (2525, 81280), (2540, 80800), (3175, 64640), (3200, 64135), (3232, 63500), (4000, 51308), (4040, 50800), (4064, 50500), (5050, 40640), (5080, 40400), (6350, 32320), (6464, 31750), (8000, 25654), (8080, 25400), (8128, 25250), (10100, 20320), (10160, 20200), (12625, 16256), (12700, 16160), (12827, 16000), (12928, 15875)]