163339840

素因数分解:

$2^6\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1471}}^1$

素因数の和:1835

約数の個数: 56

約数和(自身を含む): 390339072

約数和(自身を除く): 226999232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 347, 694, 1388, 1471, 1735, 2776, 2942, 3470, 5552, 5884, 6940, 7355, 11104, 11768, 13880, 14710, 22208, 23536, 27760, 29420, 47072, 55520, 58840, 94144, 111040, 117680, 235360, 470720, 510437, 1020874, 2041748, 2552185, 4083496, 5104370, 8166992, 10208740, 16333984, 20417480, 32667968, 40834960, 81669920, 163339840]

約数ペア:

[(1, 163339840), (2, 81669920), (4, 40834960), (5, 32667968), (8, 20417480), (10, 16333984), (16, 10208740), (20, 8166992), (32, 5104370), (40, 4083496), (64, 2552185), (80, 2041748), (160, 1020874), (320, 510437), (347, 470720), (694, 235360), (1388, 117680), (1471, 111040), (1735, 94144), (2776, 58840), (2942, 55520), (3470, 47072), (5552, 29420), (5884, 27760), (6940, 23536), (7355, 22208), (11104, 14710), (11768, 13880)]