19883038720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15289}}^1$

素因数の和:15443

約数の個数: 96

約数和(自身を含む): 48086438400

約数和(自身を除く): 28203399680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1024, 1270, 1280, 2032, 2048, 2540, 2560, 4064, 5080, 5120, 8128, 10160, 10240, 15289, 16256, 20320, 30578, 32512, 40640, 61156, 65024, 76445, 81280, 122312, 130048, 152890, 162560, 244624, 260096, 305780, 325120, 489248, 611560, 650240, 978496, 1223120, 1300480, 1941703, 1956992, 2446240, 3883406, 3913984, 4892480, 7766812, 7827968, 9708515, 9784960, 15533624, 15655936, 19417030, 19569920, 31067248, 31311872, 38834060, 39139840, 62134496, 77668120, 78279680, 124268992, 155336240, 156559360, 248537984, 310672480, 497075968, 621344960, 994151936, 1242689920, 1988303872, 2485379840, 3976607744, 4970759680, 9941519360, 19883038720]

約数ペア:

[(1, 19883038720), (2, 9941519360), (4, 4970759680), (5, 3976607744), (8, 2485379840), (10, 1988303872), (16, 1242689920), (20, 994151936), (32, 621344960), (40, 497075968), (64, 310672480), (80, 248537984), (127, 156559360), (128, 155336240), (160, 124268992), (254, 78279680), (256, 77668120), (320, 62134496), (508, 39139840), (512, 38834060), (635, 31311872), (640, 31067248), (1016, 19569920), (1024, 19417030), (1270, 15655936), (1280, 15533624), (2032, 9784960), (2048, 9708515), (2540, 7827968), (2560, 7766812), (4064, 4892480), (5080, 3913984), (5120, 3883406), (8128, 2446240), (10160, 1956992), (10240, 1941703), (15289, 1300480), (16256, 1223120), (20320, 978496), (30578, 650240), (32512, 611560), (40640, 489248), (61156, 325120), (65024, 305780), (76445, 260096), (81280, 244624), (122312, 162560), (130048, 152890)]