25955900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{719}}^1$

素因数の和:771

約数の個数: 54

約数和(自身を含む): 59527440

約数和(自身を除く): 33571540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 719, 722, 950, 1438, 1444, 1805, 1900, 2876, 3595, 3610, 7190, 7220, 9025, 13661, 14380, 17975, 18050, 27322, 35950, 36100, 54644, 68305, 71900, 136610, 259559, 273220, 341525, 519118, 683050, 1038236, 1297795, 1366100, 2595590, 5191180, 6488975, 12977950, 25955900]

約数ペア:

[(1, 25955900), (2, 12977950), (4, 6488975), (5, 5191180), (10, 2595590), (19, 1366100), (20, 1297795), (25, 1038236), (38, 683050), (50, 519118), (76, 341525), (95, 273220), (100, 259559), (190, 136610), (361, 71900), (380, 68305), (475, 54644), (719, 36100), (722, 35950), (950, 27322), (1438, 18050), (1444, 17975), (1805, 14380), (1900, 13661), (2876, 9025), (3595, 7220), (3610, 7190)]