205123582625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{22409}}^1$

素因数の和:22611

約数の個数: 64

約数和(自身を含む): 284263499520

約数和(自身を除く): 79139916895

約数列:

[1, 5, 13, 25, 43, 65, 125, 131, 215, 325, 559, 655, 1075, 1625, 1703, 2795, 3275, 5375, 5633, 8515, 13975, 16375, 22409, 28165, 42575, 69875, 73229, 112045, 140825, 212875, 291317, 366145, 560225, 704125, 963587, 1456585, 1830725, 2801125, 2935579, 4817935, 7282925, 9153625, 12526631, 14677895, 24089675, 36414625, 38162527, 62633155, 73389475, 120448375, 126229897, 190812635, 313165775, 366947375, 631149485, 954063175, 1565828875, 1640988661, 3155747425, 4770315875, 8204943305, 15778737125, 41024716525, 205123582625]

約数ペア:

[(1, 205123582625), (5, 41024716525), (13, 15778737125), (25, 8204943305), (43, 4770315875), (65, 3155747425), (125, 1640988661), (131, 1565828875), (215, 954063175), (325, 631149485), (559, 366947375), (655, 313165775), (1075, 190812635), (1625, 126229897), (1703, 120448375), (2795, 73389475), (3275, 62633155), (5375, 38162527), (5633, 36414625), (8515, 24089675), (13975, 14677895), (16375, 12526631), (22409, 9153625), (28165, 7282925), (42575, 4817935), (69875, 2935579), (73229, 2801125), (112045, 1830725), (140825, 1456585), (212875, 963587), (291317, 704125), (366145, 560225)]