25312000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{113}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 72700992

約数和(自身を除く): 47388992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 113, 125, 128, 140, 160, 175, 200, 224, 226, 250, 256, 280, 320, 350, 400, 448, 452, 500, 560, 565, 640, 700, 791, 800, 875, 896, 904, 1000, 1120, 1130, 1280, 1400, 1582, 1600, 1750, 1792, 1808, 2000, 2240, 2260, 2800, 2825, 3164, 3200, 3500, 3616, 3955, 4000, 4480, 4520, 5600, 5650, 6328, 6400, 7000, 7232, 7910, 8000, 8960, 9040, 11200, 11300, 12656, 14000, 14125, 14464, 15820, 16000, 18080, 19775, 22400, 22600, 25312, 28000, 28250, 28928, 31640, 32000, 36160, 39550, 44800, 45200, 50624, 56000, 56500, 63280, 72320, 79100, 90400, 98875, 101248, 112000, 113000, 126560, 144640, 158200, 180800, 197750, 202496, 224000, 226000, 253120, 316400, 361600, 395500, 452000, 506240, 632800, 723200, 791000, 904000, 1012480, 1265600, 1582000, 1808000, 2531200, 3164000, 3616000, 5062400, 6328000, 12656000, 25312000]

約数ペア:

[(1, 25312000), (2, 12656000), (4, 6328000), (5, 5062400), (7, 3616000), (8, 3164000), (10, 2531200), (14, 1808000), (16, 1582000), (20, 1265600), (25, 1012480), (28, 904000), (32, 791000), (35, 723200), (40, 632800), (50, 506240), (56, 452000), (64, 395500), (70, 361600), (80, 316400), (100, 253120), (112, 226000), (113, 224000), (125, 202496), (128, 197750), (140, 180800), (160, 158200), (175, 144640), (200, 126560), (224, 113000), (226, 112000), (250, 101248), (256, 98875), (280, 90400), (320, 79100), (350, 72320), (400, 63280), (448, 56500), (452, 56000), (500, 50624), (560, 45200), (565, 44800), (640, 39550), (700, 36160), (791, 32000), (800, 31640), (875, 28928), (896, 28250), (904, 28000), (1000, 25312), (1120, 22600), (1130, 22400), (1280, 19775), (1400, 18080), (1582, 16000), (1600, 15820), (1750, 14464), (1792, 14125), (1808, 14000), (2000, 12656), (2240, 11300), (2260, 11200), (2800, 9040), (2825, 8960), (3164, 8000), (3200, 7910), (3500, 7232), (3616, 7000), (3955, 6400), (4000, 6328), (4480, 5650), (4520, 5600)]