72576800

素因数分解:

$2^5\times 5^2\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:630

約数の個数: 72

約数和(自身を含む): 178371396

約数和(自身を除く): 105794596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 257, 353, 400, 514, 706, 800, 1028, 1285, 1412, 1765, 2056, 2570, 2824, 3530, 4112, 5140, 5648, 6425, 7060, 8224, 8825, 10280, 11296, 12850, 14120, 17650, 20560, 25700, 28240, 35300, 41120, 51400, 56480, 70600, 90721, 102800, 141200, 181442, 205600, 282400, 362884, 453605, 725768, 907210, 1451536, 1814420, 2268025, 2903072, 3628840, 4536050, 7257680, 9072100, 14515360, 18144200, 36288400, 72576800]

約数ペア:

[(1, 72576800), (2, 36288400), (4, 18144200), (5, 14515360), (8, 9072100), (10, 7257680), (16, 4536050), (20, 3628840), (25, 2903072), (32, 2268025), (40, 1814420), (50, 1451536), (80, 907210), (100, 725768), (160, 453605), (200, 362884), (257, 282400), (353, 205600), (400, 181442), (514, 141200), (706, 102800), (800, 90721), (1028, 70600), (1285, 56480), (1412, 51400), (1765, 41120), (2056, 35300), (2570, 28240), (2824, 25700), (3530, 20560), (4112, 17650), (5140, 14120), (5648, 12850), (6425, 11296), (7060, 10280), (8224, 8825)]