51229970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20249}}^1$

素因数の和:20290

約数の個数: 32

約数和(自身を含む): 104976000

約数和(自身を除く): 53746030

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 20249, 40498, 101245, 202490, 222739, 445478, 465727, 931454, 1113695, 2227390, 2328635, 4657270, 5122997, 10245994, 25614985, 51229970]

約数ペア:

[(1, 51229970), (2, 25614985), (5, 10245994), (10, 5122997), (11, 4657270), (22, 2328635), (23, 2227390), (46, 1113695), (55, 931454), (110, 465727), (115, 445478), (230, 222739), (253, 202490), (506, 101245), (1265, 40498), (2530, 20249)]