12571900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1039}}^1$

素因数の和:1075

約数の個数: 54

約数和(自身を含む): 30015440

約数和(自身を除く): 17443540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1039, 1100, 1210, 2078, 2420, 3025, 4156, 5195, 6050, 10390, 11429, 12100, 20780, 22858, 25975, 45716, 51950, 57145, 103900, 114290, 125719, 228580, 251438, 285725, 502876, 571450, 628595, 1142900, 1257190, 2514380, 3142975, 6285950, 12571900]

約数ペア:

[(1, 12571900), (2, 6285950), (4, 3142975), (5, 2514380), (10, 1257190), (11, 1142900), (20, 628595), (22, 571450), (25, 502876), (44, 285725), (50, 251438), (55, 228580), (100, 125719), (110, 114290), (121, 103900), (220, 57145), (242, 51950), (275, 45716), (484, 25975), (550, 22858), (605, 20780), (1039, 12100), (1100, 11429), (1210, 10390), (2078, 6050), (2420, 5195), (3025, 4156)]