25848560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3331}}^1$

素因数の和:3441

約数の個数: 40

約数和(自身を含む): 60735696

約数和(自身を除く): 34887136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3331, 3880, 6662, 7760, 13324, 16655, 26648, 33310, 53296, 66620, 133240, 266480, 323107, 646214, 1292428, 1615535, 2584856, 3231070, 5169712, 6462140, 12924280, 25848560]

約数ペア:

[(1, 25848560), (2, 12924280), (4, 6462140), (5, 5169712), (8, 3231070), (10, 2584856), (16, 1615535), (20, 1292428), (40, 646214), (80, 323107), (97, 266480), (194, 133240), (388, 66620), (485, 53296), (776, 33310), (970, 26648), (1552, 16655), (1940, 13324), (3331, 7760), (3880, 6662)]