25913020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{683}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 62512128

約数和(自身を除く): 36599108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 683, 1084, 1355, 1366, 1897, 2710, 2732, 3415, 3794, 4781, 5420, 6830, 7588, 9485, 9562, 13660, 18970, 19124, 23905, 37940, 47810, 95620, 185093, 370186, 740372, 925465, 1295651, 1850930, 2591302, 3701860, 5182604, 6478255, 12956510, 25913020]

約数ペア:

[(1, 25913020), (2, 12956510), (4, 6478255), (5, 5182604), (7, 3701860), (10, 2591302), (14, 1850930), (20, 1295651), (28, 925465), (35, 740372), (70, 370186), (140, 185093), (271, 95620), (542, 47810), (683, 37940), (1084, 23905), (1355, 19124), (1366, 18970), (1897, 13660), (2710, 9562), (2732, 9485), (3415, 7588), (3794, 6830), (4781, 5420)]