25676870

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 47331648

約数和(自身を除く): 21654778

約数列:

[1, 2, 5, 10, 97, 103, 194, 206, 257, 485, 514, 515, 970, 1030, 1285, 2570, 9991, 19982, 24929, 26471, 49858, 49955, 52942, 99910, 124645, 132355, 249290, 264710, 2567687, 5135374, 12838435, 25676870]

約数ペア:

[(1, 25676870), (2, 12838435), (5, 5135374), (10, 2567687), (97, 264710), (103, 249290), (194, 132355), (206, 124645), (257, 99910), (485, 52942), (514, 49955), (515, 49858), (970, 26471), (1030, 24929), (1285, 19982), (2570, 9991)]