80712865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 104924160

約数和(自身を除く): 24211295

約数列:

[1, 5, 23, 47, 109, 115, 137, 235, 545, 685, 1081, 2507, 3151, 5123, 5405, 6439, 12535, 14933, 15755, 25615, 32195, 74665, 117829, 148097, 343459, 589145, 701851, 740485, 1717295, 3509255, 16142573, 80712865]

約数ペア:

[(1, 80712865), (5, 16142573), (23, 3509255), (47, 1717295), (109, 740485), (115, 701851), (137, 589145), (235, 343459), (545, 148097), (685, 117829), (1081, 74665), (2507, 32195), (3151, 25615), (5123, 15755), (5405, 14933), (6439, 12535)]