26502520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 43999880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 31, 40, 44, 55, 58, 62, 67, 88, 110, 116, 124, 134, 145, 155, 220, 232, 248, 268, 290, 310, 319, 335, 341, 440, 536, 580, 620, 638, 670, 682, 737, 899, 1160, 1240, 1276, 1340, 1364, 1474, 1595, 1705, 1798, 1943, 2077, 2552, 2680, 2728, 2948, 3190, 3410, 3596, 3685, 3886, 4154, 4495, 5896, 6380, 6820, 7192, 7370, 7772, 8308, 8990, 9715, 9889, 10385, 12760, 13640, 14740, 15544, 16616, 17980, 19430, 19778, 20770, 21373, 22847, 29480, 35960, 38860, 39556, 41540, 42746, 45694, 49445, 60233, 77720, 79112, 83080, 85492, 91388, 98890, 106865, 114235, 120466, 170984, 182776, 197780, 213730, 228470, 240932, 301165, 395560, 427460, 456940, 481864, 602330, 662563, 854920, 913880, 1204660, 1325126, 2409320, 2650252, 3312815, 5300504, 6625630, 13251260, 26502520]

約数ペア:

[(1, 26502520), (2, 13251260), (4, 6625630), (5, 5300504), (8, 3312815), (10, 2650252), (11, 2409320), (20, 1325126), (22, 1204660), (29, 913880), (31, 854920), (40, 662563), (44, 602330), (55, 481864), (58, 456940), (62, 427460), (67, 395560), (88, 301165), (110, 240932), (116, 228470), (124, 213730), (134, 197780), (145, 182776), (155, 170984), (220, 120466), (232, 114235), (248, 106865), (268, 98890), (290, 91388), (310, 85492), (319, 83080), (335, 79112), (341, 77720), (440, 60233), (536, 49445), (580, 45694), (620, 42746), (638, 41540), (670, 39556), (682, 38860), (737, 35960), (899, 29480), (1160, 22847), (1240, 21373), (1276, 20770), (1340, 19778), (1364, 19430), (1474, 17980), (1595, 16616), (1705, 15544), (1798, 14740), (1943, 13640), (2077, 12760), (2552, 10385), (2680, 9889), (2728, 9715), (2948, 8990), (3190, 8308), (3410, 7772), (3596, 7370), (3685, 7192), (3886, 6820), (4154, 6380), (4495, 5896)]