64120810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6947}}^1$

素因数の和:7038

約数の個数: 32

約数和(自身を含む): 126064512

約数和(自身を除く): 61943702

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 6947, 9230, 13894, 34735, 69470, 90311, 180622, 451555, 493237, 903110, 986474, 2466185, 4932370, 6412081, 12824162, 32060405, 64120810]

約数ペア:

[(1, 64120810), (2, 32060405), (5, 12824162), (10, 6412081), (13, 4932370), (26, 2466185), (65, 986474), (71, 903110), (130, 493237), (142, 451555), (355, 180622), (710, 90311), (923, 69470), (1846, 34735), (4615, 13894), (6947, 9230)]