15820000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{113}}^1$

素因数の和:150

約数の個数: 120

約数和(自身を含む): 44873136

約数和(自身を除く): 29053136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 113, 125, 140, 160, 175, 200, 224, 226, 250, 280, 350, 400, 452, 500, 560, 565, 625, 700, 791, 800, 875, 904, 1000, 1120, 1130, 1250, 1400, 1582, 1750, 1808, 2000, 2260, 2500, 2800, 2825, 3164, 3500, 3616, 3955, 4000, 4375, 4520, 5000, 5600, 5650, 6328, 7000, 7910, 8750, 9040, 10000, 11300, 12656, 14000, 14125, 15820, 17500, 18080, 19775, 20000, 22600, 25312, 28000, 28250, 31640, 35000, 39550, 45200, 56500, 63280, 70000, 70625, 79100, 90400, 98875, 113000, 126560, 140000, 141250, 158200, 197750, 226000, 282500, 316400, 395500, 452000, 494375, 565000, 632800, 791000, 988750, 1130000, 1582000, 1977500, 2260000, 3164000, 3955000, 7910000, 15820000]

約数ペア:

[(1, 15820000), (2, 7910000), (4, 3955000), (5, 3164000), (7, 2260000), (8, 1977500), (10, 1582000), (14, 1130000), (16, 988750), (20, 791000), (25, 632800), (28, 565000), (32, 494375), (35, 452000), (40, 395500), (50, 316400), (56, 282500), (70, 226000), (80, 197750), (100, 158200), (112, 141250), (113, 140000), (125, 126560), (140, 113000), (160, 98875), (175, 90400), (200, 79100), (224, 70625), (226, 70000), (250, 63280), (280, 56500), (350, 45200), (400, 39550), (452, 35000), (500, 31640), (560, 28250), (565, 28000), (625, 25312), (700, 22600), (791, 20000), (800, 19775), (875, 18080), (904, 17500), (1000, 15820), (1120, 14125), (1130, 14000), (1250, 12656), (1400, 11300), (1582, 10000), (1750, 9040), (1808, 8750), (2000, 7910), (2260, 7000), (2500, 6328), (2800, 5650), (2825, 5600), (3164, 5000), (3500, 4520), (3616, 4375), (3955, 4000)]