51781400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23537}}^1$

素因数の和:23564

約数の個数: 48

約数和(自身を含む): 131342040

約数和(自身を除く): 79560640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 23537, 47074, 94148, 117685, 188296, 235370, 258907, 470740, 517814, 588425, 941480, 1035628, 1176850, 1294535, 2071256, 2353700, 2589070, 4707400, 5178140, 6472675, 10356280, 12945350, 25890700, 51781400]

約数ペア:

[(1, 51781400), (2, 25890700), (4, 12945350), (5, 10356280), (8, 6472675), (10, 5178140), (11, 4707400), (20, 2589070), (22, 2353700), (25, 2071256), (40, 1294535), (44, 1176850), (50, 1035628), (55, 941480), (88, 588425), (100, 517814), (110, 470740), (200, 258907), (220, 235370), (275, 188296), (440, 117685), (550, 94148), (1100, 47074), (2200, 23537)]