25944880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 69437520

約数和(自身を除く): 43492640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 101, 104, 130, 152, 169, 190, 202, 208, 247, 260, 304, 338, 380, 404, 494, 505, 520, 676, 760, 808, 845, 988, 1010, 1040, 1235, 1313, 1352, 1520, 1616, 1690, 1919, 1976, 2020, 2470, 2626, 2704, 3211, 3380, 3838, 3952, 4040, 4940, 5252, 6422, 6565, 6760, 7676, 8080, 9595, 9880, 10504, 12844, 13130, 13520, 15352, 16055, 17069, 19190, 19760, 21008, 24947, 25688, 26260, 30704, 32110, 34138, 38380, 49894, 51376, 52520, 64220, 68276, 76760, 85345, 99788, 105040, 124735, 128440, 136552, 153520, 170690, 199576, 249470, 256880, 273104, 324311, 341380, 399152, 498940, 648622, 682760, 997880, 1297244, 1365520, 1621555, 1995760, 2594488, 3243110, 5188976, 6486220, 12972440, 25944880]

約数ペア:

[(1, 25944880), (2, 12972440), (4, 6486220), (5, 5188976), (8, 3243110), (10, 2594488), (13, 1995760), (16, 1621555), (19, 1365520), (20, 1297244), (26, 997880), (38, 682760), (40, 648622), (52, 498940), (65, 399152), (76, 341380), (80, 324311), (95, 273104), (101, 256880), (104, 249470), (130, 199576), (152, 170690), (169, 153520), (190, 136552), (202, 128440), (208, 124735), (247, 105040), (260, 99788), (304, 85345), (338, 76760), (380, 68276), (404, 64220), (494, 52520), (505, 51376), (520, 49894), (676, 38380), (760, 34138), (808, 32110), (845, 30704), (988, 26260), (1010, 25688), (1040, 24947), (1235, 21008), (1313, 19760), (1352, 19190), (1520, 17069), (1616, 16055), (1690, 15352), (1919, 13520), (1976, 13130), (2020, 12844), (2470, 10504), (2626, 9880), (2704, 9595), (3211, 8080), (3380, 7676), (3838, 6760), (3952, 6565), (4040, 6422), (4940, 5252)]