25143800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1039}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 64318800

約数和(自身を除く): 39175000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1039, 1100, 1210, 2078, 2200, 2420, 3025, 4156, 4840, 5195, 6050, 8312, 10390, 11429, 12100, 20780, 22858, 24200, 25975, 41560, 45716, 51950, 57145, 91432, 103900, 114290, 125719, 207800, 228580, 251438, 285725, 457160, 502876, 571450, 628595, 1005752, 1142900, 1257190, 2285800, 2514380, 3142975, 5028760, 6285950, 12571900, 25143800]

約数ペア:

[(1, 25143800), (2, 12571900), (4, 6285950), (5, 5028760), (8, 3142975), (10, 2514380), (11, 2285800), (20, 1257190), (22, 1142900), (25, 1005752), (40, 628595), (44, 571450), (50, 502876), (55, 457160), (88, 285725), (100, 251438), (110, 228580), (121, 207800), (200, 125719), (220, 114290), (242, 103900), (275, 91432), (440, 57145), (484, 51950), (550, 45716), (605, 41560), (968, 25975), (1039, 24200), (1100, 22858), (1210, 20780), (2078, 12100), (2200, 11429), (2420, 10390), (3025, 8312), (4156, 6050), (4840, 5195)]