25428610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 47401200

約数和(自身を除く): 21972590

約数列:

[1, 2, 5, 10, 41, 82, 109, 205, 218, 410, 545, 569, 1090, 1138, 2845, 4469, 5690, 8938, 22345, 23329, 44690, 46658, 62021, 116645, 124042, 233290, 310105, 620210, 2542861, 5085722, 12714305, 25428610]

約数ペア:

[(1, 25428610), (2, 12714305), (5, 5085722), (10, 2542861), (41, 620210), (82, 310105), (109, 233290), (205, 124042), (218, 116645), (410, 62021), (545, 46658), (569, 44690), (1090, 23329), (1138, 22345), (2845, 8938), (4469, 5690)]