25954640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 60

約数和(自身を含む): 62172732

約数和(自身を除く): 36218092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 193, 205, 328, 386, 410, 656, 772, 820, 965, 1544, 1640, 1681, 1930, 3088, 3280, 3362, 3860, 6724, 7720, 7913, 8405, 13448, 15440, 15826, 16810, 26896, 31652, 33620, 39565, 63304, 67240, 79130, 126608, 134480, 158260, 316520, 324433, 633040, 648866, 1297732, 1622165, 2595464, 3244330, 5190928, 6488660, 12977320, 25954640]

約数ペア:

[(1, 25954640), (2, 12977320), (4, 6488660), (5, 5190928), (8, 3244330), (10, 2595464), (16, 1622165), (20, 1297732), (40, 648866), (41, 633040), (80, 324433), (82, 316520), (164, 158260), (193, 134480), (205, 126608), (328, 79130), (386, 67240), (410, 63304), (656, 39565), (772, 33620), (820, 31652), (965, 26896), (1544, 16810), (1640, 15826), (1681, 15440), (1930, 13448), (3088, 8405), (3280, 7913), (3362, 7720), (3860, 6724)]