16944640

素因数分解:

$2^9\times 5^1\times {\mathrm{6619}}^1$

素因数の和:6642

約数の個数: 40

約数和(自身を含む): 40633560

約数和(自身を除く): 23688920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 6619, 13238, 26476, 33095, 52952, 66190, 105904, 132380, 211808, 264760, 423616, 529520, 847232, 1059040, 1694464, 2118080, 3388928, 4236160, 8472320, 16944640]

約数ペア:

[(1, 16944640), (2, 8472320), (4, 4236160), (5, 3388928), (8, 2118080), (10, 1694464), (16, 1059040), (20, 847232), (32, 529520), (40, 423616), (64, 264760), (80, 211808), (128, 132380), (160, 105904), (256, 66190), (320, 52952), (512, 33095), (640, 26476), (1280, 13238), (2560, 6619)]