25013872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:761

約数の個数: 40

約数和(自身を含む): 52514000

約数和(自身を除く): 27500128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 241, 482, 499, 964, 998, 1928, 1996, 3133, 3856, 3992, 6266, 6487, 7984, 12532, 12974, 25064, 25948, 50128, 51896, 103792, 120259, 240518, 481036, 962072, 1563367, 1924144, 3126734, 6253468, 12506936, 25013872]

約数ペア:

[(1, 25013872), (2, 12506936), (4, 6253468), (8, 3126734), (13, 1924144), (16, 1563367), (26, 962072), (52, 481036), (104, 240518), (208, 120259), (241, 103792), (482, 51896), (499, 50128), (964, 25948), (998, 25064), (1928, 12974), (1996, 12532), (3133, 7984), (3856, 6487), (3992, 6266)]