26874260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 65009280

約数和(自身を除く): 38135020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1381, 1390, 1946, 2762, 2780, 3892, 4865, 5524, 6905, 9667, 9730, 13810, 19334, 19460, 27620, 38668, 48335, 96670, 191959, 193340, 383918, 767836, 959795, 1343713, 1919590, 2687426, 3839180, 5374852, 6718565, 13437130, 26874260]

約数ペア:

[(1, 26874260), (2, 13437130), (4, 6718565), (5, 5374852), (7, 3839180), (10, 2687426), (14, 1919590), (20, 1343713), (28, 959795), (35, 767836), (70, 383918), (139, 193340), (140, 191959), (278, 96670), (556, 48335), (695, 38668), (973, 27620), (1381, 19460), (1390, 19334), (1946, 13810), (2762, 9730), (2780, 9667), (3892, 6905), (4865, 5524)]