25440012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2903

約数の個数: 72

約数和(自身を含む): 72923760

約数和(自身を除く): 47483748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2861, 2964, 4446, 5722, 8583, 8892, 11444, 17166, 25749, 34332, 37193, 51498, 54359, 74386, 102996, 108718, 111579, 148772, 163077, 217436, 223158, 326154, 334737, 446316, 489231, 652308, 669474, 706667, 978462, 1338948, 1413334, 1956924, 2120001, 2826668, 4240002, 6360003, 8480004, 12720006, 25440012]

約数ペア:

[(1, 25440012), (2, 12720006), (3, 8480004), (4, 6360003), (6, 4240002), (9, 2826668), (12, 2120001), (13, 1956924), (18, 1413334), (19, 1338948), (26, 978462), (36, 706667), (38, 669474), (39, 652308), (52, 489231), (57, 446316), (76, 334737), (78, 326154), (114, 223158), (117, 217436), (156, 163077), (171, 148772), (228, 111579), (234, 108718), (247, 102996), (342, 74386), (468, 54359), (494, 51498), (684, 37193), (741, 34332), (988, 25749), (1482, 17166), (2223, 11444), (2861, 8892), (2964, 8583), (4446, 5722)]