28257560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37181}}^1$

素因数の和:37211

約数の個数: 32

約数和(自身を含む): 66927600

約数和(自身を除く): 38670040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37181, 74362, 148724, 185905, 297448, 371810, 706439, 743620, 1412878, 1487240, 2825756, 3532195, 5651512, 7064390, 14128780, 28257560]

約数ペア:

[(1, 28257560), (2, 14128780), (4, 7064390), (5, 5651512), (8, 3532195), (10, 2825756), (19, 1487240), (20, 1412878), (38, 743620), (40, 706439), (76, 371810), (95, 297448), (152, 185905), (190, 148724), (380, 74362), (760, 37181)]