20777600

素因数分解:

$2^7\times 5^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 52868640

約数和(自身を除く): 32091040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 128, 151, 160, 172, 200, 215, 302, 320, 344, 400, 430, 604, 640, 688, 755, 800, 860, 1075, 1208, 1376, 1510, 1600, 1720, 2150, 2416, 2752, 3020, 3200, 3440, 3775, 4300, 4832, 5504, 6040, 6493, 6880, 7550, 8600, 9664, 12080, 12986, 13760, 15100, 17200, 19328, 24160, 25972, 27520, 30200, 32465, 34400, 48320, 51944, 60400, 64930, 68800, 96640, 103888, 120800, 129860, 137600, 162325, 207776, 241600, 259720, 324650, 415552, 483200, 519440, 649300, 831104, 1038880, 1298600, 2077760, 2597200, 4155520, 5194400, 10388800, 20777600]

約数ペア:

[(1, 20777600), (2, 10388800), (4, 5194400), (5, 4155520), (8, 2597200), (10, 2077760), (16, 1298600), (20, 1038880), (25, 831104), (32, 649300), (40, 519440), (43, 483200), (50, 415552), (64, 324650), (80, 259720), (86, 241600), (100, 207776), (128, 162325), (151, 137600), (160, 129860), (172, 120800), (200, 103888), (215, 96640), (302, 68800), (320, 64930), (344, 60400), (400, 51944), (430, 48320), (604, 34400), (640, 32465), (688, 30200), (755, 27520), (800, 25972), (860, 24160), (1075, 19328), (1208, 17200), (1376, 15100), (1510, 13760), (1600, 12986), (1720, 12080), (2150, 9664), (2416, 8600), (2752, 7550), (3020, 6880), (3200, 6493), (3440, 6040), (3775, 5504), (4300, 4832)]