855040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{167}}^1$

素因数の和:192

約数の個数: 44

約数和(自身を含む): 2063376

約数和(自身を除く): 1208336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 256, 320, 334, 512, 640, 668, 835, 1024, 1280, 1336, 1670, 2560, 2672, 3340, 5120, 5344, 6680, 10688, 13360, 21376, 26720, 42752, 53440, 85504, 106880, 171008, 213760, 427520, 855040]

約数ペア:

[(1, 855040), (2, 427520), (4, 213760), (5, 171008), (8, 106880), (10, 85504), (16, 53440), (20, 42752), (32, 26720), (40, 21376), (64, 13360), (80, 10688), (128, 6680), (160, 5344), (167, 5120), (256, 3340), (320, 2672), (334, 2560), (512, 1670), (640, 1336), (668, 1280), (835, 1024)]