21553292800

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{129527}}^1$

素因数の和:129568

約数の個数: 120

約数和(自身を含む): 57508100496

約数和(自身を除く): 35954807696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1040, 1280, 1300, 1600, 1664, 2080, 2560, 2600, 3200, 3328, 4160, 5200, 6400, 6656, 8320, 10400, 12800, 16640, 20800, 33280, 41600, 83200, 129527, 166400, 259054, 518108, 647635, 1036216, 1295270, 1683851, 2072432, 2590540, 3238175, 3367702, 4144864, 5181080, 6476350, 6735404, 8289728, 8419255, 10362160, 12952700, 13470808, 16579456, 16838510, 20724320, 25905400, 26941616, 33158912, 33677020, 41448640, 42096275, 51810800, 53883232, 66317824, 67354040, 82897280, 84192550, 103621600, 107766464, 134708080, 165794560, 168385100, 207243200, 215532928, 269416160, 331589120, 336770200, 414486400, 431065856, 538832320, 673540400, 828972800, 862131712, 1077664640, 1347080800, 1657945600, 2155329280, 2694161600, 4310658560, 5388323200, 10776646400, 21553292800]

約数ペア:

[(1, 21553292800), (2, 10776646400), (4, 5388323200), (5, 4310658560), (8, 2694161600), (10, 2155329280), (13, 1657945600), (16, 1347080800), (20, 1077664640), (25, 862131712), (26, 828972800), (32, 673540400), (40, 538832320), (50, 431065856), (52, 414486400), (64, 336770200), (65, 331589120), (80, 269416160), (100, 215532928), (104, 207243200), (128, 168385100), (130, 165794560), (160, 134708080), (200, 107766464), (208, 103621600), (256, 84192550), (260, 82897280), (320, 67354040), (325, 66317824), (400, 53883232), (416, 51810800), (512, 42096275), (520, 41448640), (640, 33677020), (650, 33158912), (800, 26941616), (832, 25905400), (1040, 20724320), (1280, 16838510), (1300, 16579456), (1600, 13470808), (1664, 12952700), (2080, 10362160), (2560, 8419255), (2600, 8289728), (3200, 6735404), (3328, 6476350), (4160, 5181080), (5200, 4144864), (6400, 3367702), (6656, 3238175), (8320, 2590540), (10400, 2072432), (12800, 1683851), (16640, 1295270), (20800, 1036216), (33280, 647635), (41600, 518108), (83200, 259054), (129527, 166400)]