80873675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 109914840

約数和(自身を除く): 29041165

約数列:

[1, 5, 17, 25, 37, 85, 139, 185, 425, 629, 695, 925, 1369, 2363, 3145, 3475, 5143, 6845, 11815, 15725, 23273, 25715, 34225, 59075, 87431, 116365, 128575, 190291, 437155, 581825, 951455, 2185775, 3234947, 4757275, 16174735, 80873675]

約数ペア:

[(1, 80873675), (5, 16174735), (17, 4757275), (25, 3234947), (37, 2185775), (85, 951455), (139, 581825), (185, 437155), (425, 190291), (629, 128575), (695, 116365), (925, 87431), (1369, 59075), (2363, 34225), (3145, 25715), (3475, 23273), (5143, 15725), (6845, 11815)]