51820400

素因数分解:

$2^4\times 5^2\times {\mathrm{353}}^1\times {\mathrm{367}}^1$

素因数の和:738

約数の個数: 60

約数和(自身を含む): 125191392

約数和(自身を除く): 73370992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 353, 367, 400, 706, 734, 1412, 1468, 1765, 1835, 2824, 2936, 3530, 3670, 5648, 5872, 7060, 7340, 8825, 9175, 14120, 14680, 17650, 18350, 28240, 29360, 35300, 36700, 70600, 73400, 129551, 141200, 146800, 259102, 518204, 647755, 1036408, 1295510, 2072816, 2591020, 3238775, 5182040, 6477550, 10364080, 12955100, 25910200, 51820400]

約数ペア:

[(1, 51820400), (2, 25910200), (4, 12955100), (5, 10364080), (8, 6477550), (10, 5182040), (16, 3238775), (20, 2591020), (25, 2072816), (40, 1295510), (50, 1036408), (80, 647755), (100, 518204), (200, 259102), (353, 146800), (367, 141200), (400, 129551), (706, 73400), (734, 70600), (1412, 36700), (1468, 35300), (1765, 29360), (1835, 28240), (2824, 18350), (2936, 17650), (3530, 14680), (3670, 14120), (5648, 9175), (5872, 8825), (7060, 7340)]