25442480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45433}}^1$

素因数の和:45453

約数の個数: 40

約数和(自身を含む): 67605792

約数和(自身を除く): 42163312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45433, 90866, 181732, 227165, 318031, 363464, 454330, 636062, 726928, 908660, 1272124, 1590155, 1817320, 2544248, 3180310, 3634640, 5088496, 6360620, 12721240, 25442480]

約数ペア:

[(1, 25442480), (2, 12721240), (4, 6360620), (5, 5088496), (7, 3634640), (8, 3180310), (10, 2544248), (14, 1817320), (16, 1590155), (20, 1272124), (28, 908660), (35, 726928), (40, 636062), (56, 454330), (70, 363464), (80, 318031), (112, 227165), (140, 181732), (280, 90866), (560, 45433)]