78279680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15289}}^1$

素因数の和:15314

約数の個数: 44

約数和(自身を含む): 187791780

約数和(自身を除く): 109512100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 15289, 30578, 61156, 76445, 122312, 152890, 244624, 305780, 489248, 611560, 978496, 1223120, 1956992, 2446240, 3913984, 4892480, 7827968, 9784960, 15655936, 19569920, 39139840, 78279680]

約数ペア:

[(1, 78279680), (2, 39139840), (4, 19569920), (5, 15655936), (8, 9784960), (10, 7827968), (16, 4892480), (20, 3913984), (32, 2446240), (40, 1956992), (64, 1223120), (80, 978496), (128, 611560), (160, 489248), (256, 305780), (320, 244624), (512, 152890), (640, 122312), (1024, 76445), (1280, 61156), (2560, 30578), (5120, 15289)]