39809744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4451}}^1$

素因数の和:4515

約数の個数: 40

約数和(自身を含む): 85015392

約数和(自身を除く): 45205648

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4451, 4472, 8902, 8944, 17804, 35608, 57863, 71216, 115726, 191393, 231452, 382786, 462904, 765572, 925808, 1531144, 2488109, 3062288, 4976218, 9952436, 19904872, 39809744]

約数ペア:

[(1, 39809744), (2, 19904872), (4, 9952436), (8, 4976218), (13, 3062288), (16, 2488109), (26, 1531144), (43, 925808), (52, 765572), (86, 462904), (104, 382786), (172, 231452), (208, 191393), (344, 115726), (559, 71216), (688, 57863), (1118, 35608), (2236, 17804), (4451, 8944), (4472, 8902)]