25525780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4447}}^1$

素因数の和:4504

約数の個数: 48

約数和(自身を含む): 62770176

約数和(自身を除く): 37244396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 4447, 5740, 8894, 17788, 22235, 31129, 44470, 62258, 88940, 124516, 155645, 182327, 311290, 364654, 622580, 729308, 911635, 1276289, 1823270, 2552578, 3646540, 5105156, 6381445, 12762890, 25525780]

約数ペア:

[(1, 25525780), (2, 12762890), (4, 6381445), (5, 5105156), (7, 3646540), (10, 2552578), (14, 1823270), (20, 1276289), (28, 911635), (35, 729308), (41, 622580), (70, 364654), (82, 311290), (140, 182327), (164, 155645), (205, 124516), (287, 88940), (410, 62258), (574, 44470), (820, 31129), (1148, 22235), (1435, 17788), (2870, 8894), (4447, 5740)]