66085840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19211}}^1$

素因数の和:19267

約数の個数: 40

約数和(自身を含む): 157231008

約数和(自身を除く): 91145168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19211, 38422, 76844, 96055, 153688, 192110, 307376, 384220, 768440, 826073, 1536880, 1652146, 3304292, 4130365, 6608584, 8260730, 13217168, 16521460, 33042920, 66085840]

約数ペア:

[(1, 66085840), (2, 33042920), (4, 16521460), (5, 13217168), (8, 8260730), (10, 6608584), (16, 4130365), (20, 3304292), (40, 1652146), (43, 1536880), (80, 826073), (86, 768440), (172, 384220), (215, 307376), (344, 192110), (430, 153688), (688, 96055), (860, 76844), (1720, 38422), (3440, 19211)]