25340416

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1212

約数の個数: 40

約数和(自身を含む): 51853824

約数和(自身を除く): 26513408

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1151, 1376, 2302, 2752, 4604, 5504, 9208, 11008, 18416, 22016, 36832, 49493, 73664, 98986, 147328, 197972, 294656, 395944, 589312, 791888, 1583776, 3167552, 6335104, 12670208, 25340416]

約数ペア:

[(1, 25340416), (2, 12670208), (4, 6335104), (8, 3167552), (16, 1583776), (32, 791888), (43, 589312), (64, 395944), (86, 294656), (128, 197972), (172, 147328), (256, 98986), (344, 73664), (512, 49493), (688, 36832), (1151, 22016), (1376, 18416), (2302, 11008), (2752, 9208), (4604, 5504)]