51728000

素因数分解:

$2^7\times 5^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 133183440

約数和(自身を除く): 81455440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 61, 64, 80, 100, 106, 122, 125, 128, 160, 200, 212, 244, 250, 265, 305, 320, 400, 424, 488, 500, 530, 610, 640, 800, 848, 976, 1000, 1060, 1220, 1325, 1525, 1600, 1696, 1952, 2000, 2120, 2440, 2650, 3050, 3200, 3233, 3392, 3904, 4000, 4240, 4880, 5300, 6100, 6466, 6625, 6784, 7625, 7808, 8000, 8480, 9760, 10600, 12200, 12932, 13250, 15250, 16000, 16165, 16960, 19520, 21200, 24400, 25864, 26500, 30500, 32330, 33920, 39040, 42400, 48800, 51728, 53000, 61000, 64660, 80825, 84800, 97600, 103456, 106000, 122000, 129320, 161650, 169600, 195200, 206912, 212000, 244000, 258640, 323300, 404125, 413824, 424000, 488000, 517280, 646600, 808250, 848000, 976000, 1034560, 1293200, 1616500, 2069120, 2586400, 3233000, 5172800, 6466000, 10345600, 12932000, 25864000, 51728000]

約数ペア:

[(1, 51728000), (2, 25864000), (4, 12932000), (5, 10345600), (8, 6466000), (10, 5172800), (16, 3233000), (20, 2586400), (25, 2069120), (32, 1616500), (40, 1293200), (50, 1034560), (53, 976000), (61, 848000), (64, 808250), (80, 646600), (100, 517280), (106, 488000), (122, 424000), (125, 413824), (128, 404125), (160, 323300), (200, 258640), (212, 244000), (244, 212000), (250, 206912), (265, 195200), (305, 169600), (320, 161650), (400, 129320), (424, 122000), (488, 106000), (500, 103456), (530, 97600), (610, 84800), (640, 80825), (800, 64660), (848, 61000), (976, 53000), (1000, 51728), (1060, 48800), (1220, 42400), (1325, 39040), (1525, 33920), (1600, 32330), (1696, 30500), (1952, 26500), (2000, 25864), (2120, 24400), (2440, 21200), (2650, 19520), (3050, 16960), (3200, 16165), (3233, 16000), (3392, 15250), (3904, 13250), (4000, 12932), (4240, 12200), (4880, 10600), (5300, 9760), (6100, 8480), (6466, 8000), (6625, 7808), (6784, 7625)]