26455940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1871}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 64157184

約数和(自身を除く): 37701244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 1871, 2020, 2828, 3535, 3742, 7070, 7484, 9355, 13097, 14140, 18710, 26194, 37420, 52388, 65485, 130970, 188971, 261940, 377942, 755884, 944855, 1322797, 1889710, 2645594, 3779420, 5291188, 6613985, 13227970, 26455940]

約数ペア:

[(1, 26455940), (2, 13227970), (4, 6613985), (5, 5291188), (7, 3779420), (10, 2645594), (14, 1889710), (20, 1322797), (28, 944855), (35, 755884), (70, 377942), (101, 261940), (140, 188971), (202, 130970), (404, 65485), (505, 52388), (707, 37420), (1010, 26194), (1414, 18710), (1871, 14140), (2020, 13097), (2828, 9355), (3535, 7484), (3742, 7070)]