25844680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6661}}^1$

素因数の和:6769

約数の個数: 32

約数和(自身を含む): 58758840

約数和(自身を除く): 32914160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 6661, 13322, 26644, 33305, 53288, 66610, 133220, 266440, 646117, 1292234, 2584468, 3230585, 5168936, 6461170, 12922340, 25844680]

約数ペア:

[(1, 25844680), (2, 12922340), (4, 6461170), (5, 5168936), (8, 3230585), (10, 2584468), (20, 1292234), (40, 646117), (97, 266440), (194, 133220), (388, 66610), (485, 53288), (776, 33305), (970, 26644), (1940, 13322), (3880, 6661)]