166147840

素因数分解:

$2^8\times 5^1\times {\mathrm{129803}}^1$

素因数の和:129824

約数の個数: 36

約数和(自身を含む): 397979064

約数和(自身を除く): 231831224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 129803, 259606, 519212, 649015, 1038424, 1298030, 2076848, 2596060, 4153696, 5192120, 8307392, 10384240, 16614784, 20768480, 33229568, 41536960, 83073920, 166147840]

約数ペア:

[(1, 166147840), (2, 83073920), (4, 41536960), (5, 33229568), (8, 20768480), (10, 16614784), (16, 10384240), (20, 8307392), (32, 5192120), (40, 4153696), (64, 2596060), (80, 2076848), (128, 1298030), (160, 1038424), (256, 649015), (320, 519212), (640, 259606), (1280, 129803)]