25705980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{142811}}^1$

素因数の和:142826

約数の個数: 36

約数和(自身を含む): 77975352

約数和(自身を除く): 52269372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 142811, 285622, 428433, 571244, 714055, 856866, 1285299, 1428110, 1713732, 2142165, 2570598, 2856220, 4284330, 5141196, 6426495, 8568660, 12852990, 25705980]

約数ペア:

[(1, 25705980), (2, 12852990), (3, 8568660), (4, 6426495), (5, 5141196), (6, 4284330), (9, 2856220), (10, 2570598), (12, 2142165), (15, 1713732), (18, 1428110), (20, 1285299), (30, 856866), (36, 714055), (45, 571244), (60, 428433), (90, 285622), (180, 142811)]