171121520

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{11083}}^1$

素因数の和:11289

約数の個数: 40

約数和(自身を含む): 399955056

約数和(自身を除く): 228833536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 11083, 15440, 22166, 44332, 55415, 88664, 110830, 177328, 221660, 443320, 886640, 2139019, 4278038, 8556076, 10695095, 17112152, 21390190, 34224304, 42780380, 85560760, 171121520]

約数ペア:

[(1, 171121520), (2, 85560760), (4, 42780380), (5, 34224304), (8, 21390190), (10, 17112152), (16, 10695095), (20, 8556076), (40, 4278038), (80, 2139019), (193, 886640), (386, 443320), (772, 221660), (965, 177328), (1544, 110830), (1930, 88664), (3088, 55415), (3860, 44332), (7720, 22166), (11083, 15440)]