25664520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{30553}}^1$

素因数の和:30574

約数の個数: 64

約数和(自身を含む): 87995520

約数和(自身を除く): 62331000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 30553, 61106, 91659, 122212, 152765, 183318, 213871, 244424, 305530, 366636, 427742, 458295, 611060, 641613, 733272, 855484, 916590, 1069355, 1222120, 1283226, 1710968, 1833180, 2138710, 2566452, 3208065, 3666360, 4277420, 5132904, 6416130, 8554840, 12832260, 25664520]

約数ペア:

[(1, 25664520), (2, 12832260), (3, 8554840), (4, 6416130), (5, 5132904), (6, 4277420), (7, 3666360), (8, 3208065), (10, 2566452), (12, 2138710), (14, 1833180), (15, 1710968), (20, 1283226), (21, 1222120), (24, 1069355), (28, 916590), (30, 855484), (35, 733272), (40, 641613), (42, 611060), (56, 458295), (60, 427742), (70, 366636), (84, 305530), (105, 244424), (120, 213871), (140, 183318), (168, 152765), (210, 122212), (280, 91659), (420, 61106), (840, 30553)]