25780755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 59222016

約数和(自身を除く): 33441261

約数列:

[1, 3, 5, 7, 11, 13, 15, 17, 21, 33, 35, 39, 51, 55, 65, 77, 85, 91, 101, 105, 119, 143, 165, 187, 195, 221, 231, 255, 273, 303, 357, 385, 429, 455, 505, 561, 595, 663, 707, 715, 935, 1001, 1105, 1111, 1155, 1309, 1313, 1365, 1515, 1547, 1717, 1785, 2121, 2145, 2431, 2805, 3003, 3315, 3333, 3535, 3927, 3939, 4641, 5005, 5151, 5555, 6545, 6565, 7293, 7735, 7777, 8585, 9191, 10605, 12019, 12155, 14443, 15015, 16665, 17017, 18887, 19635, 19695, 22321, 23205, 23331, 25755, 27573, 36057, 36465, 38885, 43329, 45955, 51051, 56661, 60095, 66963, 72215, 85085, 94435, 101101, 111605, 116655, 132209, 137865, 156247, 180285, 216645, 245531, 255255, 283305, 303303, 334815, 396627, 468741, 505505, 661045, 736593, 781235, 1227655, 1516515, 1718717, 1983135, 2343705, 3682965, 5156151, 8593585, 25780755]

約数ペア:

[(1, 25780755), (3, 8593585), (5, 5156151), (7, 3682965), (11, 2343705), (13, 1983135), (15, 1718717), (17, 1516515), (21, 1227655), (33, 781235), (35, 736593), (39, 661045), (51, 505505), (55, 468741), (65, 396627), (77, 334815), (85, 303303), (91, 283305), (101, 255255), (105, 245531), (119, 216645), (143, 180285), (165, 156247), (187, 137865), (195, 132209), (221, 116655), (231, 111605), (255, 101101), (273, 94435), (303, 85085), (357, 72215), (385, 66963), (429, 60095), (455, 56661), (505, 51051), (561, 45955), (595, 43329), (663, 38885), (707, 36465), (715, 36057), (935, 27573), (1001, 25755), (1105, 23331), (1111, 23205), (1155, 22321), (1309, 19695), (1313, 19635), (1365, 18887), (1515, 17017), (1547, 16665), (1717, 15015), (1785, 14443), (2121, 12155), (2145, 12019), (2431, 10605), (2805, 9191), (3003, 8585), (3315, 7777), (3333, 7735), (3535, 7293), (3927, 6565), (3939, 6545), (4641, 5555), (5005, 5151)]