28065400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12757}}^1$

素因数の和:12784

約数の個数: 48

約数和(自身を含む): 71189640

約数和(自身を除く): 43124240

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, 12757, 25514, 51028, 63785, 102056, 127570, 140327, 255140, 280654, 318925, 510280, 561308, 637850, 701635, 1122616, 1275700, 1403270, 2551400, 2806540, 3508175, 5613080, 7016350, 14032700, 28065400]

約数ペア:

[(1, 28065400), (2, 14032700), (4, 7016350), (5, 5613080), (8, 3508175), (10, 2806540), (11, 2551400), (20, 1403270), (22, 1275700), (25, 1122616), (40, 701635), (44, 637850), (50, 561308), (55, 510280), (88, 318925), (100, 280654), (110, 255140), (200, 140327), (220, 127570), (275, 102056), (440, 63785), (550, 51028), (1100, 25514), (2200, 12757)]