85313920

素因数分解:

$2^7\times 5^1\times {\mathrm{133303}}^1$

素因数の和:133322

約数の個数: 32

約数和(自身を含む): 203955120

約数和(自身を除く): 118641200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133303, 266606, 533212, 666515, 1066424, 1333030, 2132848, 2666060, 4265696, 5332120, 8531392, 10664240, 17062784, 21328480, 42656960, 85313920]

約数ペア:

[(1, 85313920), (2, 42656960), (4, 21328480), (5, 17062784), (8, 10664240), (10, 8531392), (16, 5332120), (20, 4265696), (32, 2666060), (40, 2132848), (64, 1333030), (80, 1066424), (128, 666515), (160, 533212), (320, 266606), (640, 133303)]