25425740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 55417824

約数和(自身を除く): 29992084

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 307, 404, 410, 505, 614, 820, 1010, 1228, 1535, 2020, 3070, 4141, 6140, 8282, 12587, 16564, 20705, 25174, 31007, 41410, 50348, 62014, 62935, 82820, 124028, 125870, 155035, 251740, 310070, 620140, 1271287, 2542574, 5085148, 6356435, 12712870, 25425740]

約数ペア:

[(1, 25425740), (2, 12712870), (4, 6356435), (5, 5085148), (10, 2542574), (20, 1271287), (41, 620140), (82, 310070), (101, 251740), (164, 155035), (202, 125870), (205, 124028), (307, 82820), (404, 62935), (410, 62014), (505, 50348), (614, 41410), (820, 31007), (1010, 25174), (1228, 20705), (1535, 16564), (2020, 12587), (3070, 8282), (4141, 6140)]