25321205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 15805195

約数列:

[1, 5, 7, 13, 19, 29, 35, 65, 91, 95, 101, 133, 145, 203, 247, 377, 455, 505, 551, 665, 707, 1015, 1235, 1313, 1729, 1885, 1919, 2639, 2755, 2929, 3535, 3857, 6565, 7163, 8645, 9191, 9595, 13195, 13433, 14645, 19285, 20503, 24947, 35815, 38077, 45955, 50141, 55651, 67165, 102515, 124735, 174629, 190385, 250705, 266539, 278255, 389557, 723463, 873145, 1332695, 1947785, 3617315, 5064241, 25321205]

約数ペア:

[(1, 25321205), (5, 5064241), (7, 3617315), (13, 1947785), (19, 1332695), (29, 873145), (35, 723463), (65, 389557), (91, 278255), (95, 266539), (101, 250705), (133, 190385), (145, 174629), (203, 124735), (247, 102515), (377, 67165), (455, 55651), (505, 50141), (551, 45955), (665, 38077), (707, 35815), (1015, 24947), (1235, 20503), (1313, 19285), (1729, 14645), (1885, 13433), (1919, 13195), (2639, 9595), (2755, 9191), (2929, 8645), (3535, 7163), (3857, 6565)]