25625205

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 26266635

約数列:

[1, 3, 5, 9, 15, 17, 19, 41, 43, 45, 51, 57, 85, 95, 123, 129, 153, 171, 205, 215, 255, 285, 323, 369, 387, 615, 645, 697, 731, 765, 779, 817, 855, 969, 1615, 1763, 1845, 1935, 2091, 2193, 2337, 2451, 2907, 3485, 3655, 3895, 4085, 4845, 5289, 6273, 6579, 7011, 7353, 8815, 10455, 10965, 11685, 12255, 13243, 13889, 14535, 15867, 26445, 29971, 31365, 32895, 33497, 35055, 36765, 39729, 41667, 66215, 69445, 79335, 89913, 100491, 119187, 125001, 149855, 167485, 198645, 208335, 269739, 301473, 449565, 502455, 569449, 595935, 625005, 1348695, 1507365, 1708347, 2847245, 5125041, 8541735, 25625205]

約数ペア:

[(1, 25625205), (3, 8541735), (5, 5125041), (9, 2847245), (15, 1708347), (17, 1507365), (19, 1348695), (41, 625005), (43, 595935), (45, 569449), (51, 502455), (57, 449565), (85, 301473), (95, 269739), (123, 208335), (129, 198645), (153, 167485), (171, 149855), (205, 125001), (215, 119187), (255, 100491), (285, 89913), (323, 79335), (369, 69445), (387, 66215), (615, 41667), (645, 39729), (697, 36765), (731, 35055), (765, 33497), (779, 32895), (817, 31365), (855, 29971), (969, 26445), (1615, 15867), (1763, 14535), (1845, 13889), (1935, 13243), (2091, 12255), (2193, 11685), (2337, 10965), (2451, 10455), (2907, 8815), (3485, 7353), (3655, 7011), (3895, 6579), (4085, 6273), (4845, 5289)]