51217040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91459}}^1$

素因数の和:91479

約数の個数: 40

約数和(自身を含む): 136092480

約数和(自身を除く): 84875440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91459, 182918, 365836, 457295, 640213, 731672, 914590, 1280426, 1463344, 1829180, 2560852, 3201065, 3658360, 5121704, 6402130, 7316720, 10243408, 12804260, 25608520, 51217040]

約数ペア:

[(1, 51217040), (2, 25608520), (4, 12804260), (5, 10243408), (7, 7316720), (8, 6402130), (10, 5121704), (14, 3658360), (16, 3201065), (20, 2560852), (28, 1829180), (35, 1463344), (40, 1280426), (56, 914590), (70, 731672), (80, 640213), (112, 457295), (140, 365836), (280, 182918), (560, 91459)]