25266688

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:888

約数の個数: 40

約数和(自身を含む): 51375060

約数和(自身を除く): 26108372

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 809, 976, 1618, 1952, 3236, 3904, 6472, 7808, 12944, 15616, 25888, 31232, 49349, 51776, 98698, 103552, 197396, 207104, 394792, 414208, 789584, 1579168, 3158336, 6316672, 12633344, 25266688]

約数ペア:

[(1, 25266688), (2, 12633344), (4, 6316672), (8, 3158336), (16, 1579168), (32, 789584), (61, 414208), (64, 394792), (122, 207104), (128, 197396), (244, 103552), (256, 98698), (488, 51776), (512, 49349), (809, 31232), (976, 25888), (1618, 15616), (1952, 12944), (3236, 7808), (3904, 6472)]