51453280

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{911}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 122036544

約数和(自身を除く): 70583264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 911, 1412, 1765, 1822, 2824, 3530, 3644, 4555, 5648, 7060, 7288, 9110, 11296, 14120, 14576, 18220, 28240, 29152, 36440, 56480, 72880, 145760, 321583, 643166, 1286332, 1607915, 2572664, 3215830, 5145328, 6431660, 10290656, 12863320, 25726640, 51453280]

約数ペア:

[(1, 51453280), (2, 25726640), (4, 12863320), (5, 10290656), (8, 6431660), (10, 5145328), (16, 3215830), (20, 2572664), (32, 1607915), (40, 1286332), (80, 643166), (160, 321583), (353, 145760), (706, 72880), (911, 56480), (1412, 36440), (1765, 29152), (1822, 28240), (2824, 18220), (3530, 14576), (3644, 14120), (4555, 11296), (5648, 9110), (7060, 7288)]