25642720

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1307

約数の個数: 48

約数和(自身を含む): 61069680

約数和(自身を除く): 35426960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1153, 1390, 2224, 2306, 2780, 4448, 4612, 5560, 5765, 9224, 11120, 11530, 18448, 22240, 23060, 36896, 46120, 92240, 160267, 184480, 320534, 641068, 801335, 1282136, 1602670, 2564272, 3205340, 5128544, 6410680, 12821360, 25642720]

約数ペア:

[(1, 25642720), (2, 12821360), (4, 6410680), (5, 5128544), (8, 3205340), (10, 2564272), (16, 1602670), (20, 1282136), (32, 801335), (40, 641068), (80, 320534), (139, 184480), (160, 160267), (278, 92240), (556, 46120), (695, 36896), (1112, 23060), (1153, 22240), (1390, 18448), (2224, 11530), (2306, 11120), (2780, 9224), (4448, 5765), (4612, 5560)]