25159888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1657}}^1$

素因数の和:1751

約数の個数: 40

約数和(自身を含む): 53248328

約数和(自身を除く): 28088440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1657, 1898, 3314, 3796, 6628, 7592, 13256, 15184, 21541, 26512, 43082, 86164, 120961, 172328, 241922, 344656, 483844, 967688, 1572493, 1935376, 3144986, 6289972, 12579944, 25159888]

約数ペア:

[(1, 25159888), (2, 12579944), (4, 6289972), (8, 3144986), (13, 1935376), (16, 1572493), (26, 967688), (52, 483844), (73, 344656), (104, 241922), (146, 172328), (208, 120961), (292, 86164), (584, 43082), (949, 26512), (1168, 21541), (1657, 15184), (1898, 13256), (3314, 7592), (3796, 6628)]