26397680

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1061}}^1$

素因数の和:1385

約数の個数: 40

約数和(自身を含む): 61629984

約数和(自身を除く): 35232304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1061, 1244, 1555, 2122, 2488, 3110, 4244, 4976, 5305, 6220, 8488, 10610, 12440, 16976, 21220, 24880, 42440, 84880, 329971, 659942, 1319884, 1649855, 2639768, 3299710, 5279536, 6599420, 13198840, 26397680]

約数ペア:

[(1, 26397680), (2, 13198840), (4, 6599420), (5, 5279536), (8, 3299710), (10, 2639768), (16, 1649855), (20, 1319884), (40, 659942), (80, 329971), (311, 84880), (622, 42440), (1061, 24880), (1244, 21220), (1555, 16976), (2122, 12440), (2488, 10610), (3110, 8488), (4244, 6220), (4976, 5305)]