26761520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 60

約数和(自身を含む): 64095600

約数和(自身を除く): 37334080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 199, 205, 328, 398, 410, 656, 796, 820, 995, 1592, 1640, 1681, 1990, 3184, 3280, 3362, 3980, 6724, 7960, 8159, 8405, 13448, 15920, 16318, 16810, 26896, 32636, 33620, 40795, 65272, 67240, 81590, 130544, 134480, 163180, 326360, 334519, 652720, 669038, 1338076, 1672595, 2676152, 3345190, 5352304, 6690380, 13380760, 26761520]

約数ペア:

[(1, 26761520), (2, 13380760), (4, 6690380), (5, 5352304), (8, 3345190), (10, 2676152), (16, 1672595), (20, 1338076), (40, 669038), (41, 652720), (80, 334519), (82, 326360), (164, 163180), (199, 134480), (205, 130544), (328, 81590), (398, 67240), (410, 65272), (656, 40795), (796, 33620), (820, 32636), (995, 26896), (1592, 16810), (1640, 16318), (1681, 15920), (1990, 13448), (3184, 8405), (3280, 8159), (3362, 7960), (3980, 6724)]