12800645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17903}}^1$

素因数の和:17932

約数の個数: 16

約数和(自身を含む): 18047232

約数和(自身を除く): 5246587

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 17903, 89515, 196933, 232739, 984665, 1163695, 2560129, 12800645]

約数ペア:

[(1, 12800645), (5, 2560129), (11, 1163695), (13, 984665), (55, 232739), (65, 196933), (143, 89515), (715, 17903)]